42321320

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6491}}^1$

素因数の和:6665

約数の個数: 32

約数和(自身を含む): 95821920

約数和(自身を除く): 53500600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6491, 6520, 12982, 25964, 32455, 51928, 64910, 129820, 259640, 1058033, 2116066, 4232132, 5290165, 8464264, 10580330, 21160660, 42321320]

約数ペア:

[(1, 42321320), (2, 21160660), (4, 10580330), (5, 8464264), (8, 5290165), (10, 4232132), (20, 2116066), (40, 1058033), (163, 259640), (326, 129820), (652, 64910), (815, 51928), (1304, 32455), (1630, 25964), (3260, 12982), (6491, 6520)]