71909080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 167378400

約数和(自身を除く): 95469320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 163, 164, 205, 269, 326, 328, 410, 538, 652, 815, 820, 1076, 1304, 1345, 1630, 1640, 2152, 2690, 3260, 5380, 6520, 6683, 10760, 11029, 13366, 22058, 26732, 33415, 43847, 44116, 53464, 55145, 66830, 87694, 88232, 110290, 133660, 175388, 219235, 220580, 267320, 350776, 438470, 441160, 876940, 1753880, 1797727, 3595454, 7190908, 8988635, 14381816, 17977270, 35954540, 71909080]

約数ペア:

[(1, 71909080), (2, 35954540), (4, 17977270), (5, 14381816), (8, 8988635), (10, 7190908), (20, 3595454), (40, 1797727), (41, 1753880), (82, 876940), (163, 441160), (164, 438470), (205, 350776), (269, 267320), (326, 220580), (328, 219235), (410, 175388), (538, 133660), (652, 110290), (815, 88232), (820, 87694), (1076, 66830), (1304, 55145), (1345, 53464), (1630, 44116), (1640, 43847), (2152, 33415), (2690, 26732), (3260, 22058), (5380, 13366), (6520, 11029), (6683, 10760)]