24870440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{12689}}^1$

素因数の和:12714

約数の個数: 48

約数和(自身を含む): 65099700

約数和(自身を除く): 40229260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 12689, 25378, 50756, 63445, 88823, 101512, 126890, 177646, 253780, 355292, 444115, 507560, 621761, 710584, 888230, 1243522, 1776460, 2487044, 3108805, 3552920, 4974088, 6217610, 12435220, 24870440]

約数ペア:

[(1, 24870440), (2, 12435220), (4, 6217610), (5, 4974088), (7, 3552920), (8, 3108805), (10, 2487044), (14, 1776460), (20, 1243522), (28, 888230), (35, 710584), (40, 621761), (49, 507560), (56, 444115), (70, 355292), (98, 253780), (140, 177646), (196, 126890), (245, 101512), (280, 88823), (392, 63445), (490, 50756), (980, 25378), (1960, 12689)]