51659920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3821}}^1$

素因数の和:3860

約数の個数: 60

約数和(自身を含む): 130093236

約数和(自身を除く): 78433316

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 3821, 6760, 7642, 13520, 15284, 19105, 30568, 38210, 49673, 61136, 76420, 99346, 152840, 198692, 248365, 305680, 397384, 496730, 645749, 794768, 993460, 1291498, 1986920, 2582996, 3228745, 3973840, 5165992, 6457490, 10331984, 12914980, 25829960, 51659920]

約数ペア:

[(1, 51659920), (2, 25829960), (4, 12914980), (5, 10331984), (8, 6457490), (10, 5165992), (13, 3973840), (16, 3228745), (20, 2582996), (26, 1986920), (40, 1291498), (52, 993460), (65, 794768), (80, 645749), (104, 496730), (130, 397384), (169, 305680), (208, 248365), (260, 198692), (338, 152840), (520, 99346), (676, 76420), (845, 61136), (1040, 49673), (1352, 38210), (1690, 30568), (2704, 19105), (3380, 15284), (3821, 13520), (6760, 7642)]