61321520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{58963}}^1$

素因数の和:58989

約数の個数: 40

約数和(自身を含む): 153542256

約数和(自身を除く): 92220736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 58963, 117926, 235852, 294815, 471704, 589630, 766519, 943408, 1179260, 1533038, 2358520, 3066076, 3832595, 4717040, 6132152, 7665190, 12264304, 15330380, 30660760, 61321520]

約数ペア:

[(1, 61321520), (2, 30660760), (4, 15330380), (5, 12264304), (8, 7665190), (10, 6132152), (13, 4717040), (16, 3832595), (20, 3066076), (26, 2358520), (40, 1533038), (52, 1179260), (65, 943408), (80, 766519), (104, 589630), (130, 471704), (208, 294815), (260, 235852), (520, 117926), (1040, 58963)]