102002020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1429}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 221981760

約数和(自身を除く): 119979740

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 215, 332, 415, 430, 830, 860, 1429, 1660, 2858, 3569, 5716, 7138, 7145, 14276, 14290, 17845, 28580, 35690, 61447, 71380, 118607, 122894, 237214, 245788, 307235, 474428, 593035, 614470, 1186070, 1228940, 2372140, 5100101, 10200202, 20400404, 25500505, 51001010, 102002020]

約数ペア:

[(1, 102002020), (2, 51001010), (4, 25500505), (5, 20400404), (10, 10200202), (20, 5100101), (43, 2372140), (83, 1228940), (86, 1186070), (166, 614470), (172, 593035), (215, 474428), (332, 307235), (415, 245788), (430, 237214), (830, 122894), (860, 118607), (1429, 71380), (1660, 61447), (2858, 35690), (3569, 28580), (5716, 17845), (7138, 14290), (7145, 14276)]