42455320

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3391}}^1$

素因数の和:3715

約数の個数: 32

約数和(自身を含む): 95857920

約数和(自身を除く): 53402600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 3391, 6260, 6782, 12520, 13564, 16955, 27128, 33910, 67820, 135640, 1061383, 2122766, 4245532, 5306915, 8491064, 10613830, 21227660, 42455320]

約数ペア:

[(1, 42455320), (2, 21227660), (4, 10613830), (5, 8491064), (8, 5306915), (10, 4245532), (20, 2122766), (40, 1061383), (313, 135640), (626, 67820), (1252, 33910), (1565, 27128), (2504, 16955), (3130, 13564), (3391, 12520), (6260, 6782)]