65292760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 159112800

約数和(自身を除く): 93820040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 307, 409, 520, 614, 818, 1228, 1535, 1636, 2045, 2456, 3070, 3272, 3991, 4090, 5317, 6140, 7982, 8180, 10634, 12280, 15964, 16360, 19955, 21268, 26585, 31928, 39910, 42536, 53170, 79820, 106340, 125563, 159640, 212680, 251126, 502252, 627815, 1004504, 1255630, 1632319, 2511260, 3264638, 5022520, 6529276, 8161595, 13058552, 16323190, 32646380, 65292760]

約数ペア:

[(1, 65292760), (2, 32646380), (4, 16323190), (5, 13058552), (8, 8161595), (10, 6529276), (13, 5022520), (20, 3264638), (26, 2511260), (40, 1632319), (52, 1255630), (65, 1004504), (104, 627815), (130, 502252), (260, 251126), (307, 212680), (409, 159640), (520, 125563), (614, 106340), (818, 79820), (1228, 53170), (1535, 42536), (1636, 39910), (2045, 31928), (2456, 26585), (3070, 21268), (3272, 19955), (3991, 16360), (4090, 15964), (5317, 12280), (6140, 10634), (7982, 8180)]