64382240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2381}}^1$

素因数の和:2422

約数の個数: 72

約数和(自身を含む): 164772468

約数和(自身を除く): 100390228

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2381, 2704, 3380, 4762, 5408, 6760, 9524, 11905, 13520, 19048, 23810, 27040, 30953, 38096, 47620, 61906, 76192, 95240, 123812, 154765, 190480, 247624, 309530, 380960, 402389, 495248, 619060, 804778, 990496, 1238120, 1609556, 2011945, 2476240, 3219112, 4023890, 4952480, 6438224, 8047780, 12876448, 16095560, 32191120, 64382240]

約数ペア:

[(1, 64382240), (2, 32191120), (4, 16095560), (5, 12876448), (8, 8047780), (10, 6438224), (13, 4952480), (16, 4023890), (20, 3219112), (26, 2476240), (32, 2011945), (40, 1609556), (52, 1238120), (65, 990496), (80, 804778), (104, 619060), (130, 495248), (160, 402389), (169, 380960), (208, 309530), (260, 247624), (338, 190480), (416, 154765), (520, 123812), (676, 95240), (845, 76192), (1040, 61906), (1352, 47620), (1690, 38096), (2080, 30953), (2381, 27040), (2704, 23810), (3380, 19048), (4762, 13520), (5408, 11905), (6760, 9524)]