40990990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{132229}}^1$

素因数の和:132267

約数の個数: 16

約数和(自身を含む): 76164480

約数和(自身を除く): 35173490

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 132229, 264458, 661145, 1322290, 4099099, 8198198, 20495495, 40990990]

約数ペア:

[(1, 40990990), (2, 20495495), (5, 8198198), (10, 4099099), (31, 1322290), (62, 661145), (155, 264458), (310, 132229)]