15940730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7213}}^1$

素因数の和:7250

約数の個数: 32

約数和(自身を含む): 32722704

約数和(自身を除く): 16781974

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 7213, 14426, 36065, 72130, 93769, 122621, 187538, 245242, 468845, 613105, 937690, 1226210, 1594073, 3188146, 7970365, 15940730]

約数ペア:

[(1, 15940730), (2, 7970365), (5, 3188146), (10, 1594073), (13, 1226210), (17, 937690), (26, 613105), (34, 468845), (65, 245242), (85, 187538), (130, 122621), (170, 93769), (221, 72130), (442, 36065), (1105, 14426), (2210, 7213)]