18125120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4357}}^1$

素因数の和:4387

約数の個数: 56

約数和(自身を含む): 46491144

約数和(自身を除く): 28366024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4357, 8714, 17428, 21785, 34856, 43570, 56641, 69712, 87140, 113282, 139424, 174280, 226564, 278848, 283205, 348560, 453128, 566410, 697120, 906256, 1132820, 1394240, 1812512, 2265640, 3625024, 4531280, 9062560, 18125120]

約数ペア:

[(1, 18125120), (2, 9062560), (4, 4531280), (5, 3625024), (8, 2265640), (10, 1812512), (13, 1394240), (16, 1132820), (20, 906256), (26, 697120), (32, 566410), (40, 453128), (52, 348560), (64, 283205), (65, 278848), (80, 226564), (104, 174280), (130, 139424), (160, 113282), (208, 87140), (260, 69712), (320, 56641), (416, 43570), (520, 34856), (832, 21785), (1040, 17428), (2080, 8714), (4160, 4357)]