40739140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 98227080

約数和(自身を除く): 57487940

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 709, 845, 884, 1105, 1418, 1690, 2210, 2836, 2873, 3380, 3545, 4420, 5746, 7090, 9217, 11492, 12053, 14180, 14365, 18434, 24106, 28730, 36868, 46085, 48212, 57460, 60265, 92170, 119821, 120530, 156689, 184340, 239642, 241060, 313378, 479284, 599105, 626756, 783445, 1198210, 1566890, 2036957, 2396420, 3133780, 4073914, 8147828, 10184785, 20369570, 40739140]

約数ペア:

[(1, 40739140), (2, 20369570), (4, 10184785), (5, 8147828), (10, 4073914), (13, 3133780), (17, 2396420), (20, 2036957), (26, 1566890), (34, 1198210), (52, 783445), (65, 626756), (68, 599105), (85, 479284), (130, 313378), (169, 241060), (170, 239642), (221, 184340), (260, 156689), (338, 120530), (340, 119821), (442, 92170), (676, 60265), (709, 57460), (845, 48212), (884, 46085), (1105, 36868), (1418, 28730), (1690, 24106), (2210, 18434), (2836, 14365), (2873, 14180), (3380, 12053), (3545, 11492), (4420, 9217), (5746, 7090)]