89107580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73039}}^1$

素因数の和:73109

約数の個数: 24

約数和(自身を含む): 190196160

約数和(自身を除く): 101088580

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 73039, 146078, 292156, 365195, 730390, 1460780, 4455379, 8910758, 17821516, 22276895, 44553790, 89107580]

約数ペア:

[(1, 89107580), (2, 44553790), (4, 22276895), (5, 17821516), (10, 8910758), (20, 4455379), (61, 1460780), (122, 730390), (244, 365195), (305, 292156), (610, 146078), (1220, 73039)]