42256840

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5531}}^1$

素因数の和:5733

約数の個数: 32

約数和(自身を含む): 95592960

約数和(自身を除く): 53336120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 5531, 7640, 11062, 22124, 27655, 44248, 55310, 110620, 221240, 1056421, 2112842, 4225684, 5282105, 8451368, 10564210, 21128420, 42256840]

約数ペア:

[(1, 42256840), (2, 21128420), (4, 10564210), (5, 8451368), (8, 5282105), (10, 4225684), (20, 2112842), (40, 1056421), (191, 221240), (382, 110620), (764, 55310), (955, 44248), (1528, 27655), (1910, 22124), (3820, 11062), (5531, 7640)]