121031920

素因数分解:

$2^4\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1231}}^1$

素因数の和:2473

約数の個数: 40

約数和(自身を含む): 281856960

約数和(自身を除く): 160825040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1229, 1231, 2458, 2462, 4916, 4924, 6145, 6155, 9832, 9848, 12290, 12310, 19664, 19696, 24580, 24620, 49160, 49240, 98320, 98480, 1512899, 3025798, 6051596, 7564495, 12103192, 15128990, 24206384, 30257980, 60515960, 121031920]

約数ペア:

[(1, 121031920), (2, 60515960), (4, 30257980), (5, 24206384), (8, 15128990), (10, 12103192), (16, 7564495), (20, 6051596), (40, 3025798), (80, 1512899), (1229, 98480), (1231, 98320), (2458, 49240), (2462, 49160), (4916, 24620), (4924, 24580), (6145, 19696), (6155, 19664), (9832, 12310), (9848, 12290)]