87491920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{35279}}^1$

素因数の和:35323

約数の個数: 40

約数和(自身を含む): 209986560

約数和(自身を除く): 122494640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 35279, 70558, 141116, 176395, 282232, 352790, 564464, 705580, 1093649, 1411160, 2187298, 2822320, 4374596, 5468245, 8749192, 10936490, 17498384, 21872980, 43745960, 87491920]

約数ペア:

[(1, 87491920), (2, 43745960), (4, 21872980), (5, 17498384), (8, 10936490), (10, 8749192), (16, 5468245), (20, 4374596), (31, 2822320), (40, 2187298), (62, 1411160), (80, 1093649), (124, 705580), (155, 564464), (248, 352790), (310, 282232), (496, 176395), (620, 141116), (1240, 70558), (2480, 35279)]