400329280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{96233}}^1$

素因数の和:96263

約数の個数: 56

約数和(自身を含む): 1026624312

約数和(自身を除く): 626295032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 96233, 192466, 384932, 481165, 769864, 962330, 1251029, 1539728, 1924660, 2502058, 3079456, 3849320, 5004116, 6158912, 6255145, 7698640, 10008232, 12510290, 15397280, 20016464, 25020580, 30794560, 40032928, 50041160, 80065856, 100082320, 200164640, 400329280]

約数ペア:

[(1, 400329280), (2, 200164640), (4, 100082320), (5, 80065856), (8, 50041160), (10, 40032928), (13, 30794560), (16, 25020580), (20, 20016464), (26, 15397280), (32, 12510290), (40, 10008232), (52, 7698640), (64, 6255145), (65, 6158912), (80, 5004116), (104, 3849320), (130, 3079456), (160, 2502058), (208, 1924660), (260, 1539728), (320, 1251029), (416, 962330), (520, 769864), (832, 481165), (1040, 384932), (2080, 192466), (4160, 96233)]