81033420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103889}}^1$

素因数の和:103914

約数の個数: 48

約数和(自身を含む): 244349280

約数和(自身を除く): 163315860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 103889, 207778, 311667, 415556, 519445, 623334, 1038890, 1246668, 1350557, 1558335, 2077780, 2701114, 3116670, 4051671, 5402228, 6233340, 6752785, 8103342, 13505570, 16206684, 20258355, 27011140, 40516710, 81033420]

約数ペア:

[(1, 81033420), (2, 40516710), (3, 27011140), (4, 20258355), (5, 16206684), (6, 13505570), (10, 8103342), (12, 6752785), (13, 6233340), (15, 5402228), (20, 4051671), (26, 3116670), (30, 2701114), (39, 2077780), (52, 1558335), (60, 1350557), (65, 1246668), (78, 1038890), (130, 623334), (156, 519445), (195, 415556), (260, 311667), (390, 207778), (780, 103889)]