180573640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347257}}^1$

素因数の和:347281

約数の個数: 32

約数和(自身を含む): 437545080

約数和(自身を除く): 256971440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 347257, 694514, 1389028, 1736285, 2778056, 3472570, 4514341, 6945140, 9028682, 13890280, 18057364, 22571705, 36114728, 45143410, 90286820, 180573640]

約数ペア:

[(1, 180573640), (2, 90286820), (4, 45143410), (5, 36114728), (8, 22571705), (10, 18057364), (13, 13890280), (20, 9028682), (26, 6945140), (40, 4514341), (52, 3472570), (65, 2778056), (104, 1736285), (130, 1389028), (260, 694514), (520, 347257)]