9976420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16091}}^1$

素因数の和:16131

約数の個数: 24

約数和(自身を含む): 21627648

約数和(自身を除く): 11651228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 16091, 32182, 64364, 80455, 160910, 321820, 498821, 997642, 1995284, 2494105, 4988210, 9976420]

約数ペア:

[(1, 9976420), (2, 4988210), (4, 2494105), (5, 1995284), (10, 997642), (20, 498821), (31, 321820), (62, 160910), (124, 80455), (155, 64364), (310, 32182), (620, 16091)]