25033520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 62674560

約数和(自身を除く): 37641040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 233, 272, 316, 340, 395, 466, 632, 680, 790, 932, 1165, 1264, 1343, 1360, 1580, 1864, 2330, 2686, 3160, 3728, 3961, 4660, 5372, 6320, 6715, 7922, 9320, 10744, 13430, 15844, 18407, 18640, 19805, 21488, 26860, 31688, 36814, 39610, 53720, 63376, 73628, 79220, 92035, 107440, 147256, 158440, 184070, 294512, 312919, 316880, 368140, 625838, 736280, 1251676, 1472560, 1564595, 2503352, 3129190, 5006704, 6258380, 12516760, 25033520]

約数ペア:

[(1, 25033520), (2, 12516760), (4, 6258380), (5, 5006704), (8, 3129190), (10, 2503352), (16, 1564595), (17, 1472560), (20, 1251676), (34, 736280), (40, 625838), (68, 368140), (79, 316880), (80, 312919), (85, 294512), (136, 184070), (158, 158440), (170, 147256), (233, 107440), (272, 92035), (316, 79220), (340, 73628), (395, 63376), (466, 53720), (632, 39610), (680, 36814), (790, 31688), (932, 26860), (1165, 21488), (1264, 19805), (1343, 18640), (1360, 18407), (1580, 15844), (1864, 13430), (2330, 10744), (2686, 9320), (3160, 7922), (3728, 6715), (3961, 6320), (4660, 5372)]