84989320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1193}}^1$

素因数の和:1354

約数の個数: 64

約数和(自身を含む): 207612720

約数和(自身を除く): 122623400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 1096, 1193, 1370, 1781, 2386, 2740, 3562, 4772, 5480, 5965, 7124, 8905, 9544, 11930, 14248, 15509, 17810, 23860, 31018, 35620, 47720, 62036, 71240, 77545, 124072, 155090, 163441, 310180, 326882, 620360, 653764, 817205, 1307528, 1634410, 2124733, 3268820, 4249466, 6537640, 8498932, 10623665, 16997864, 21247330, 42494660, 84989320]

約数ペア:

[(1, 84989320), (2, 42494660), (4, 21247330), (5, 16997864), (8, 10623665), (10, 8498932), (13, 6537640), (20, 4249466), (26, 3268820), (40, 2124733), (52, 1634410), (65, 1307528), (104, 817205), (130, 653764), (137, 620360), (260, 326882), (274, 310180), (520, 163441), (548, 155090), (685, 124072), (1096, 77545), (1193, 71240), (1370, 62036), (1781, 47720), (2386, 35620), (2740, 31018), (3562, 23860), (4772, 17810), (5480, 15509), (5965, 14248), (7124, 11930), (8905, 9544)]