90110360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{31729}}^1$

素因数の和:31811

約数の個数: 32

約数和(自身を含む): 205610400

約数和(自身を除く): 115500040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 31729, 63458, 126916, 158645, 253832, 317290, 634580, 1269160, 2252759, 4505518, 9011036, 11263795, 18022072, 22527590, 45055180, 90110360]

約数ペア:

[(1, 90110360), (2, 45055180), (4, 22527590), (5, 18022072), (8, 11263795), (10, 9011036), (20, 4505518), (40, 2252759), (71, 1269160), (142, 634580), (284, 317290), (355, 253832), (568, 158645), (710, 126916), (1420, 63458), (2840, 31729)]