15909140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 36841728

約数和(自身を除く): 20932588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1423, 2236, 2795, 2846, 5590, 5692, 7115, 11180, 14230, 18499, 28460, 36998, 61189, 73996, 92495, 122378, 184990, 244756, 305945, 369980, 611890, 795457, 1223780, 1590914, 3181828, 3977285, 7954570, 15909140]

約数ペア:

[(1, 15909140), (2, 7954570), (4, 3977285), (5, 3181828), (10, 1590914), (13, 1223780), (20, 795457), (26, 611890), (43, 369980), (52, 305945), (65, 244756), (86, 184990), (130, 122378), (172, 92495), (215, 73996), (260, 61189), (430, 36998), (559, 28460), (860, 18499), (1118, 14230), (1423, 11180), (2236, 7115), (2795, 5692), (2846, 5590)]