80286961280

素因数分解:

$2^7\times 5^1\times {\mathrm{10723}}^1\times {\mathrm{11699}}^1$

素因数の和:22441

約数の個数: 64

約数和(自身を含む): 191970324000

約数和(自身を除く): 111683362720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 10723, 11699, 21446, 23398, 42892, 46796, 53615, 58495, 85784, 93592, 107230, 116990, 171568, 187184, 214460, 233980, 343136, 374368, 428920, 467960, 686272, 748736, 857840, 935920, 1372544, 1497472, 1715680, 1871840, 3431360, 3743680, 6862720, 7487360, 125448377, 250896754, 501793508, 627241885, 1003587016, 1254483770, 2007174032, 2508967540, 4014348064, 5017935080, 8028696128, 10035870160, 16057392256, 20071740320, 40143480640, 80286961280]

約数ペア:

[(1, 80286961280), (2, 40143480640), (4, 20071740320), (5, 16057392256), (8, 10035870160), (10, 8028696128), (16, 5017935080), (20, 4014348064), (32, 2508967540), (40, 2007174032), (64, 1254483770), (80, 1003587016), (128, 627241885), (160, 501793508), (320, 250896754), (640, 125448377), (10723, 7487360), (11699, 6862720), (21446, 3743680), (23398, 3431360), (42892, 1871840), (46796, 1715680), (53615, 1497472), (58495, 1372544), (85784, 935920), (93592, 857840), (107230, 748736), (116990, 686272), (171568, 467960), (187184, 428920), (214460, 374368), (233980, 343136)]