26469040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 68495616

約数和(自身を除く): 42026576

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, 821, 1040, 1240, 1612, 1642, 2015, 2480, 3224, 3284, 4030, 4105, 6448, 6568, 8060, 8210, 10673, 13136, 16120, 16420, 21346, 25451, 32240, 32840, 42692, 50902, 53365, 65680, 85384, 101804, 106730, 127255, 170768, 203608, 213460, 254510, 330863, 407216, 426920, 509020, 661726, 853840, 1018040, 1323452, 1654315, 2036080, 2646904, 3308630, 5293808, 6617260, 13234520, 26469040]

約数ペア:

[(1, 26469040), (2, 13234520), (4, 6617260), (5, 5293808), (8, 3308630), (10, 2646904), (13, 2036080), (16, 1654315), (20, 1323452), (26, 1018040), (31, 853840), (40, 661726), (52, 509020), (62, 426920), (65, 407216), (80, 330863), (104, 254510), (124, 213460), (130, 203608), (155, 170768), (208, 127255), (248, 106730), (260, 101804), (310, 85384), (403, 65680), (496, 53365), (520, 50902), (620, 42692), (806, 32840), (821, 32240), (1040, 25451), (1240, 21346), (1612, 16420), (1642, 16120), (2015, 13136), (2480, 10673), (3224, 8210), (3284, 8060), (4030, 6568), (4105, 6448)]