13639840

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 32483808

約数和(自身を除く): 18843968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 523, 652, 815, 1046, 1304, 1630, 2092, 2608, 2615, 3260, 4184, 5216, 5230, 6520, 8368, 10460, 13040, 16736, 20920, 26080, 41840, 83680, 85249, 170498, 340996, 426245, 681992, 852490, 1363984, 1704980, 2727968, 3409960, 6819920, 13639840]

約数ペア:

[(1, 13639840), (2, 6819920), (4, 3409960), (5, 2727968), (8, 1704980), (10, 1363984), (16, 852490), (20, 681992), (32, 426245), (40, 340996), (80, 170498), (160, 85249), (163, 83680), (326, 41840), (523, 26080), (652, 20920), (815, 16736), (1046, 13040), (1304, 10460), (1630, 8368), (2092, 6520), (2608, 5230), (2615, 5216), (3260, 4184)]