13322920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25621}}^1$

素因数の和:25645

約数の個数: 32

約数和(自身を含む): 32283720

約数和(自身を除く): 18960800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 25621, 51242, 102484, 128105, 204968, 256210, 333073, 512420, 666146, 1024840, 1332292, 1665365, 2664584, 3330730, 6661460, 13322920]

約数ペア:

[(1, 13322920), (2, 6661460), (4, 3330730), (5, 2664584), (8, 1665365), (10, 1332292), (13, 1024840), (20, 666146), (26, 512420), (40, 333073), (52, 256210), (65, 204968), (104, 128105), (130, 102484), (260, 51242), (520, 25621)]