74849840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71971}}^1$

素因数の和:71997

約数の個数: 40

約数和(自身を含む): 187415088

約数和(自身を除く): 112565248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 71971, 143942, 287884, 359855, 575768, 719710, 935623, 1151536, 1439420, 1871246, 2878840, 3742492, 4678115, 5757680, 7484984, 9356230, 14969968, 18712460, 37424920, 74849840]

約数ペア:

[(1, 74849840), (2, 37424920), (4, 18712460), (5, 14969968), (8, 9356230), (10, 7484984), (13, 5757680), (16, 4678115), (20, 3742492), (26, 2878840), (40, 1871246), (52, 1439420), (65, 1151536), (80, 935623), (104, 719710), (130, 575768), (208, 359855), (260, 287884), (520, 143942), (1040, 71971)]