72105800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{27733}}^1$

素因数の和:27762

約数の個数: 48

約数和(自身を含む): 180548340

約数和(自身を除く): 108442540

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 27733, 55466, 110932, 138665, 221864, 277330, 360529, 554660, 693325, 721058, 1109320, 1386650, 1442116, 1802645, 2773300, 2884232, 3605290, 5546600, 7210580, 9013225, 14421160, 18026450, 36052900, 72105800]

約数ペア:

[(1, 72105800), (2, 36052900), (4, 18026450), (5, 14421160), (8, 9013225), (10, 7210580), (13, 5546600), (20, 3605290), (25, 2884232), (26, 2773300), (40, 1802645), (50, 1442116), (52, 1386650), (65, 1109320), (100, 721058), (104, 693325), (130, 554660), (200, 360529), (260, 277330), (325, 221864), (520, 138665), (650, 110932), (1300, 55466), (2600, 27733)]