201653560

素因数分解:

$2^3\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{3209}}^1$

素因数の和:4791

約数の個数: 32

約数和(自身を含む): 454150800

約数和(自身を除く): 252497240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1571, 3142, 3209, 6284, 6418, 7855, 12568, 12836, 15710, 16045, 25672, 31420, 32090, 62840, 64180, 128360, 5041339, 10082678, 20165356, 25206695, 40330712, 50413390, 100826780, 201653560]

約数ペア:

[(1, 201653560), (2, 100826780), (4, 50413390), (5, 40330712), (8, 25206695), (10, 20165356), (20, 10082678), (40, 5041339), (1571, 128360), (3142, 64180), (3209, 62840), (6284, 32090), (6418, 31420), (7855, 25672), (12568, 16045), (12836, 15710)]