3973840

素因数分解:

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

素因数の和:3847

約数の個数: 40

約数和(自身を含む): 9952488

約数和(自身を除く): 5978648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3821, 7642, 15284, 19105, 30568, 38210, 49673, 61136, 76420, 99346, 152840, 198692, 248365, 305680, 397384, 496730, 794768, 993460, 1986920, 3973840]

約数ペア:

[(1, 3973840), (2, 1986920), (4, 993460), (5, 794768), (8, 496730), (10, 397384), (13, 305680), (16, 248365), (20, 198692), (26, 152840), (40, 99346), (52, 76420), (65, 61136), (80, 49673), (104, 38210), (130, 30568), (208, 19105), (260, 15284), (520, 7642), (1040, 3821)]