121896980

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{8009}}^1$

素因数の和:8779

約数の個数: 24

約数和(自身を含む): 256352040

約数和(自身を除く): 134455060

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 3044, 3805, 7610, 8009, 15220, 16018, 32036, 40045, 80090, 160180, 6094849, 12189698, 24379396, 30474245, 60948490, 121896980]

約数ペア:

[(1, 121896980), (2, 60948490), (4, 30474245), (5, 24379396), (10, 12189698), (20, 6094849), (761, 160180), (1522, 80090), (3044, 40045), (3805, 32036), (7610, 16018), (8009, 15220)]