53290240

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 141281280

約数和(自身を除く): 87991040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 79, 80, 85, 124, 128, 136, 155, 158, 160, 170, 248, 256, 272, 310, 316, 320, 340, 395, 496, 527, 544, 620, 632, 640, 680, 790, 992, 1054, 1088, 1240, 1264, 1280, 1343, 1360, 1580, 1984, 2108, 2176, 2449, 2480, 2528, 2635, 2686, 2720, 3160, 3968, 4216, 4352, 4898, 4960, 5056, 5270, 5372, 5440, 6320, 6715, 7936, 8432, 9796, 9920, 10112, 10540, 10744, 10880, 12245, 12640, 13430, 16864, 19592, 19840, 20224, 21080, 21488, 21760, 24490, 25280, 26860, 33728, 39184, 39680, 41633, 42160, 42976, 48980, 50560, 53720, 67456, 78368, 83266, 84320, 85952, 97960, 101120, 107440, 134912, 156736, 166532, 168640, 171904, 195920, 208165, 214880, 313472, 333064, 337280, 343808, 391840, 416330, 429760, 626944, 666128, 674560, 783680, 832660, 859520, 1332256, 1567360, 1665320, 1719040, 2664512, 3134720, 3330640, 5329024, 6661280, 10658048, 13322560, 26645120, 53290240]

約数ペア:

[(1, 53290240), (2, 26645120), (4, 13322560), (5, 10658048), (8, 6661280), (10, 5329024), (16, 3330640), (17, 3134720), (20, 2664512), (31, 1719040), (32, 1665320), (34, 1567360), (40, 1332256), (62, 859520), (64, 832660), (68, 783680), (79, 674560), (80, 666128), (85, 626944), (124, 429760), (128, 416330), (136, 391840), (155, 343808), (158, 337280), (160, 333064), (170, 313472), (248, 214880), (256, 208165), (272, 195920), (310, 171904), (316, 168640), (320, 166532), (340, 156736), (395, 134912), (496, 107440), (527, 101120), (544, 97960), (620, 85952), (632, 84320), (640, 83266), (680, 78368), (790, 67456), (992, 53720), (1054, 50560), (1088, 48980), (1240, 42976), (1264, 42160), (1280, 41633), (1343, 39680), (1360, 39184), (1580, 33728), (1984, 26860), (2108, 25280), (2176, 24490), (2449, 21760), (2480, 21488), (2528, 21080), (2635, 20224), (2686, 19840), (2720, 19592), (3160, 16864), (3968, 13430), (4216, 12640), (4352, 12245), (4898, 10880), (4960, 10744), (5056, 10540), (5270, 10112), (5372, 9920), (5440, 9796), (6320, 8432), (6715, 7936)]