30939550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{19961}}^1$

素因数の和:20004

約数の個数: 24

約数和(自身を含む): 59406912

約数和(自身を除く): 28467362

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 19961, 39922, 99805, 199610, 499025, 618791, 998050, 1237582, 3093955, 6187910, 15469775, 30939550]

約数ペア:

[(1, 30939550), (2, 15469775), (5, 6187910), (10, 3093955), (25, 1237582), (31, 998050), (50, 618791), (62, 499025), (155, 199610), (310, 99805), (775, 39922), (1550, 19961)]