61530820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13921}}^1$

素因数の和:13960

約数の個数: 48

約数和(自身を含む): 147350448

約数和(自身を除く): 85819628

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 13921, 27842, 55684, 69605, 139210, 180973, 236657, 278420, 361946, 473314, 723892, 904865, 946628, 1183285, 1809730, 2366570, 3076541, 3619460, 4733140, 6153082, 12306164, 15382705, 30765410, 61530820]

約数ペア:

[(1, 61530820), (2, 30765410), (4, 15382705), (5, 12306164), (10, 6153082), (13, 4733140), (17, 3619460), (20, 3076541), (26, 2366570), (34, 1809730), (52, 1183285), (65, 946628), (68, 904865), (85, 723892), (130, 473314), (170, 361946), (221, 278420), (260, 236657), (340, 180973), (442, 139210), (884, 69605), (1105, 55684), (2210, 27842), (4420, 13921)]