163613320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{314641}}^1$

素因数の和:314665

約数の個数: 32

約数和(自身を含む): 396448920

約数和(自身を除く): 232835600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 314641, 629282, 1258564, 1573205, 2517128, 3146410, 4090333, 6292820, 8180666, 12585640, 16361332, 20451665, 32722664, 40903330, 81806660, 163613320]

約数ペア:

[(1, 163613320), (2, 81806660), (4, 40903330), (5, 32722664), (8, 20451665), (10, 16361332), (13, 12585640), (20, 8180666), (26, 6292820), (40, 4090333), (52, 3146410), (65, 2517128), (104, 1573205), (130, 1258564), (260, 629282), (520, 314641)]