49319920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1082

約数の個数: 80

約数和(自身を含む): 126241920

約数和(自身を除く): 76922000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1009, 1040, 1222, 1880, 2018, 2444, 3055, 3760, 4036, 4888, 5045, 6110, 8072, 9776, 10090, 12220, 13117, 16144, 20180, 24440, 26234, 40360, 47423, 48880, 52468, 65585, 80720, 94846, 104936, 131170, 189692, 209872, 237115, 262340, 379384, 474230, 524680, 616499, 758768, 948460, 1049360, 1232998, 1896920, 2465996, 3082495, 3793840, 4931992, 6164990, 9863984, 12329980, 24659960, 49319920]

約数ペア:

[(1, 49319920), (2, 24659960), (4, 12329980), (5, 9863984), (8, 6164990), (10, 4931992), (13, 3793840), (16, 3082495), (20, 2465996), (26, 1896920), (40, 1232998), (47, 1049360), (52, 948460), (65, 758768), (80, 616499), (94, 524680), (104, 474230), (130, 379384), (188, 262340), (208, 237115), (235, 209872), (260, 189692), (376, 131170), (470, 104936), (520, 94846), (611, 80720), (752, 65585), (940, 52468), (1009, 48880), (1040, 47423), (1222, 40360), (1880, 26234), (2018, 24440), (2444, 20180), (3055, 16144), (3760, 13117), (4036, 12220), (4888, 10090), (5045, 9776), (6110, 8072)]