2013178120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{825073}}^1$

素因数の和:825145

約数の個数: 32

約数和(自身を含む): 4603912920

約数和(自身を除く): 2590734800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 825073, 1650146, 3300292, 4125365, 6600584, 8250730, 16501460, 33002920, 50329453, 100658906, 201317812, 251647265, 402635624, 503294530, 1006589060, 2013178120]

約数ペア:

[(1, 2013178120), (2, 1006589060), (4, 503294530), (5, 402635624), (8, 251647265), (10, 201317812), (20, 100658906), (40, 50329453), (61, 33002920), (122, 16501460), (244, 8250730), (305, 6600584), (488, 4125365), (610, 3300292), (1220, 1650146), (2440, 825073)]