73142680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{140659}}^1$

素因数の和:140683

約数の個数: 32

約数和(自身を含む): 177231600

約数和(自身を除く): 104088920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 140659, 281318, 562636, 703295, 1125272, 1406590, 1828567, 2813180, 3657134, 5626360, 7314268, 9142835, 14628536, 18285670, 36571340, 73142680]

約数ペア:

[(1, 73142680), (2, 36571340), (4, 18285670), (5, 14628536), (8, 9142835), (10, 7314268), (13, 5626360), (20, 3657134), (26, 2813180), (40, 1828567), (52, 1406590), (65, 1125272), (104, 703295), (130, 562636), (260, 281318), (520, 140659)]