42421240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28663}}^1$

素因数の和:28711

約数の個数: 32

約数和(自身を含む): 98030880

約数和(自身を除く): 55609640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 28663, 57326, 114652, 143315, 229304, 286630, 573260, 1060531, 1146520, 2121062, 4242124, 5302655, 8484248, 10605310, 21210620, 42421240]

約数ペア:

[(1, 42421240), (2, 21210620), (4, 10605310), (5, 8484248), (8, 5302655), (10, 4242124), (20, 2121062), (37, 1146520), (40, 1060531), (74, 573260), (148, 286630), (185, 229304), (296, 143315), (370, 114652), (740, 57326), (1480, 28663)]