65689780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3461}}^1$

素因数の和:3556

約数の個数: 48

約数和(自身を含む): 150638544

約数和(自身を除く): 84948764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3461, 3796, 4745, 6922, 9490, 13844, 17305, 18980, 34610, 44993, 69220, 89986, 179972, 224965, 252653, 449930, 505306, 899860, 1010612, 1263265, 2526530, 3284489, 5053060, 6568978, 13137956, 16422445, 32844890, 65689780]

約数ペア:

[(1, 65689780), (2, 32844890), (4, 16422445), (5, 13137956), (10, 6568978), (13, 5053060), (20, 3284489), (26, 2526530), (52, 1263265), (65, 1010612), (73, 899860), (130, 505306), (146, 449930), (260, 252653), (292, 224965), (365, 179972), (730, 89986), (949, 69220), (1460, 44993), (1898, 34610), (3461, 18980), (3796, 17305), (4745, 13844), (6922, 9490)]