42607280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8731}}^1$

素因数の和:8805

約数の個数: 40

約数和(自身を含む): 100697424

約数和(自身を除く): 58090144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 8731, 17462, 34924, 43655, 69848, 87310, 139696, 174620, 349240, 532591, 698480, 1065182, 2130364, 2662955, 4260728, 5325910, 8521456, 10651820, 21303640, 42607280]

約数ペア:

[(1, 42607280), (2, 21303640), (4, 10651820), (5, 8521456), (8, 5325910), (10, 4260728), (16, 2662955), (20, 2130364), (40, 1065182), (61, 698480), (80, 532591), (122, 349240), (244, 174620), (305, 139696), (488, 87310), (610, 69848), (976, 43655), (1220, 34924), (2440, 17462), (4880, 8731)]