40167280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8231}}^1$

素因数の和:8305

約数の個数: 40

約数和(自身を含む): 94931424

約数和(自身を除く): 54764144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 8231, 16462, 32924, 41155, 65848, 82310, 131696, 164620, 329240, 502091, 658480, 1004182, 2008364, 2510455, 4016728, 5020910, 8033456, 10041820, 20083640, 40167280]

約数ペア:

[(1, 40167280), (2, 20083640), (4, 10041820), (5, 8033456), (8, 5020910), (10, 4016728), (16, 2510455), (20, 2008364), (40, 1004182), (61, 658480), (80, 502091), (122, 329240), (244, 164620), (305, 131696), (488, 82310), (610, 65848), (976, 41155), (1220, 32924), (2440, 16462), (4880, 8231)]