42137680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1364

約数の個数: 80

約数和(自身を含む): 108993024

約数和(自身を除く): 66855344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1307, 1612, 2015, 2480, 2614, 3224, 4030, 5228, 6448, 6535, 8060, 10456, 13070, 16120, 16991, 20912, 26140, 32240, 33982, 40517, 52280, 67964, 81034, 84955, 104560, 135928, 162068, 169910, 202585, 271856, 324136, 339820, 405170, 526721, 648272, 679640, 810340, 1053442, 1359280, 1620680, 2106884, 2633605, 3241360, 4213768, 5267210, 8427536, 10534420, 21068840, 42137680]

約数ペア:

[(1, 42137680), (2, 21068840), (4, 10534420), (5, 8427536), (8, 5267210), (10, 4213768), (13, 3241360), (16, 2633605), (20, 2106884), (26, 1620680), (31, 1359280), (40, 1053442), (52, 810340), (62, 679640), (65, 648272), (80, 526721), (104, 405170), (124, 339820), (130, 324136), (155, 271856), (208, 202585), (248, 169910), (260, 162068), (310, 135928), (403, 104560), (496, 84955), (520, 81034), (620, 67964), (806, 52280), (1040, 40517), (1240, 33982), (1307, 32240), (1612, 26140), (2015, 20912), (2480, 16991), (2614, 16120), (3224, 13070), (4030, 10456), (5228, 8060), (6448, 6535)]