48739640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{659}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 112444200

約数和(自身を除く): 63704560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 659, 860, 1318, 1720, 1849, 2636, 3295, 3698, 5272, 6590, 7396, 9245, 13180, 14792, 18490, 26360, 28337, 36980, 56674, 73960, 113348, 141685, 226696, 283370, 566740, 1133480, 1218491, 2436982, 4873964, 6092455, 9747928, 12184910, 24369820, 48739640]

約数ペア:

[(1, 48739640), (2, 24369820), (4, 12184910), (5, 9747928), (8, 6092455), (10, 4873964), (20, 2436982), (40, 1218491), (43, 1133480), (86, 566740), (172, 283370), (215, 226696), (344, 141685), (430, 113348), (659, 73960), (860, 56674), (1318, 36980), (1720, 28337), (1849, 26360), (2636, 18490), (3295, 14792), (3698, 13180), (5272, 9245), (6590, 7396)]