24972980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 55351296

約数和(自身を除く): 30378316

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 857, 940, 1457, 1714, 2914, 3428, 4285, 5828, 7285, 8570, 14570, 17140, 26567, 29140, 40279, 53134, 80558, 106268, 132835, 161116, 201395, 265670, 402790, 531340, 805580, 1248649, 2497298, 4994596, 6243245, 12486490, 24972980]

約数ペア:

[(1, 24972980), (2, 12486490), (4, 6243245), (5, 4994596), (10, 2497298), (20, 1248649), (31, 805580), (47, 531340), (62, 402790), (94, 265670), (124, 201395), (155, 161116), (188, 132835), (235, 106268), (310, 80558), (470, 53134), (620, 40279), (857, 29140), (940, 26567), (1457, 17140), (1714, 14570), (2914, 8570), (3428, 7285), (4285, 5828)]