401202560

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{56989}}^1$

素因数の和:57019

約数の個数: 64

約数和(自身を含む): 1046336400

約数和(自身を除く): 645133840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 56989, 113978, 227956, 284945, 455912, 569890, 626879, 911824, 1139780, 1253758, 1823648, 2279560, 2507516, 3134395, 3647296, 4559120, 5015032, 6268790, 7294592, 9118240, 10030064, 12537580, 18236480, 20060128, 25075160, 36472960, 40120256, 50150320, 80240512, 100300640, 200601280, 401202560]

約数ペア:

[(1, 401202560), (2, 200601280), (4, 100300640), (5, 80240512), (8, 50150320), (10, 40120256), (11, 36472960), (16, 25075160), (20, 20060128), (22, 18236480), (32, 12537580), (40, 10030064), (44, 9118240), (55, 7294592), (64, 6268790), (80, 5015032), (88, 4559120), (110, 3647296), (128, 3134395), (160, 2507516), (176, 2279560), (220, 1823648), (320, 1253758), (352, 1139780), (440, 911824), (640, 626879), (704, 569890), (880, 455912), (1408, 284945), (1760, 227956), (3520, 113978), (7040, 56989)]