25037440

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 66096000

約数和(自身を除く): 41058560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 71, 76, 80, 95, 116, 128, 142, 145, 152, 160, 190, 232, 284, 290, 304, 320, 355, 380, 464, 551, 568, 580, 608, 640, 710, 760, 928, 1102, 1136, 1160, 1216, 1349, 1420, 1520, 1856, 2059, 2204, 2272, 2320, 2432, 2698, 2755, 2840, 3040, 3712, 4118, 4408, 4544, 4640, 5396, 5510, 5680, 6080, 6745, 8236, 8816, 9088, 9280, 10295, 10792, 11020, 11360, 12160, 13490, 16472, 17632, 18560, 20590, 21584, 22040, 22720, 26980, 32944, 35264, 39121, 41180, 43168, 44080, 45440, 53960, 65888, 70528, 78242, 82360, 86336, 88160, 107920, 131776, 156484, 164720, 172672, 176320, 195605, 215840, 263552, 312968, 329440, 352640, 391210, 431680, 625936, 658880, 782420, 863360, 1251872, 1317760, 1564840, 2503744, 3129680, 5007488, 6259360, 12518720, 25037440]

約数ペア:

[(1, 25037440), (2, 12518720), (4, 6259360), (5, 5007488), (8, 3129680), (10, 2503744), (16, 1564840), (19, 1317760), (20, 1251872), (29, 863360), (32, 782420), (38, 658880), (40, 625936), (58, 431680), (64, 391210), (71, 352640), (76, 329440), (80, 312968), (95, 263552), (116, 215840), (128, 195605), (142, 176320), (145, 172672), (152, 164720), (160, 156484), (190, 131776), (232, 107920), (284, 88160), (290, 86336), (304, 82360), (320, 78242), (355, 70528), (380, 65888), (464, 53960), (551, 45440), (568, 44080), (580, 43168), (608, 41180), (640, 39121), (710, 35264), (760, 32944), (928, 26980), (1102, 22720), (1136, 22040), (1160, 21584), (1216, 20590), (1349, 18560), (1420, 17632), (1520, 16472), (1856, 13490), (2059, 12160), (2204, 11360), (2272, 11020), (2320, 10792), (2432, 10295), (2698, 9280), (2755, 9088), (2840, 8816), (3040, 8236), (3712, 6745), (4118, 6080), (4408, 5680), (4544, 5510), (4640, 5396)]