2005451380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3234599}}^1$

素因数の和:3234639

約数の個数: 24

約数和(自身を含む): 4347302400

約数和(自身を除く): 2341851020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3234599, 6469198, 12938396, 16172995, 32345990, 64691980, 100272569, 200545138, 401090276, 501362845, 1002725690, 2005451380]

約数ペア:

[(1, 2005451380), (2, 1002725690), (4, 501362845), (5, 401090276), (10, 200545138), (20, 100272569), (31, 64691980), (62, 32345990), (124, 16172995), (155, 12938396), (310, 6469198), (620, 3234599)]