79420640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38183}}^1$

素因数の和:38211

約数の個数: 48

約数和(自身を含む): 202069728

約数和(自身を除く): 122649088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 38183, 76366, 152732, 190915, 305464, 381830, 496379, 610928, 763660, 992758, 1221856, 1527320, 1985516, 2481895, 3054640, 3971032, 4963790, 6109280, 7942064, 9927580, 15884128, 19855160, 39710320, 79420640]

約数ペア:

[(1, 79420640), (2, 39710320), (4, 19855160), (5, 15884128), (8, 9927580), (10, 7942064), (13, 6109280), (16, 4963790), (20, 3971032), (26, 3054640), (32, 2481895), (40, 1985516), (52, 1527320), (65, 1221856), (80, 992758), (104, 763660), (130, 610928), (160, 496379), (208, 381830), (260, 305464), (416, 190915), (520, 152732), (1040, 76366), (2080, 38183)]