65107880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^2\times {\mathrm{137}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 148928220

約数和(自身を除く): 83820340

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 137, 218, 274, 436, 545, 548, 685, 872, 1090, 1096, 1370, 2180, 2740, 4360, 5480, 11881, 14933, 23762, 29866, 47524, 59405, 59732, 74665, 95048, 118810, 119464, 149330, 237620, 298660, 475240, 597320, 1627697, 3255394, 6510788, 8138485, 13021576, 16276970, 32553940, 65107880]

約数ペア:

[(1, 65107880), (2, 32553940), (4, 16276970), (5, 13021576), (8, 8138485), (10, 6510788), (20, 3255394), (40, 1627697), (109, 597320), (137, 475240), (218, 298660), (274, 237620), (436, 149330), (545, 119464), (548, 118810), (685, 95048), (872, 74665), (1090, 59732), (1096, 59405), (1370, 47524), (2180, 29866), (2740, 23762), (4360, 14933), (5480, 11881)]