66431560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2971}}^1$

素因数の和:3038

約数の個数: 64

約数和(自身を含む): 164767680

約数和(自身を除く): 98336120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 2971, 4472, 5590, 5942, 11180, 11884, 14855, 22360, 23768, 29710, 38623, 59420, 77246, 118840, 127753, 154492, 193115, 255506, 308984, 386230, 511012, 638765, 772460, 1022024, 1277530, 1544920, 1660789, 2555060, 3321578, 5110120, 6643156, 8303945, 13286312, 16607890, 33215780, 66431560]

約数ペア:

[(1, 66431560), (2, 33215780), (4, 16607890), (5, 13286312), (8, 8303945), (10, 6643156), (13, 5110120), (20, 3321578), (26, 2555060), (40, 1660789), (43, 1544920), (52, 1277530), (65, 1022024), (86, 772460), (104, 638765), (130, 511012), (172, 386230), (215, 308984), (260, 255506), (344, 193115), (430, 154492), (520, 127753), (559, 118840), (860, 77246), (1118, 59420), (1720, 38623), (2236, 29710), (2795, 23768), (2971, 22360), (4472, 14855), (5590, 11884), (5942, 11180)]