65304580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2939}}^1$

素因数の和:3060

約数の個数: 48

約数和(自身を含む): 151139520

約数和(自身を除く): 85834940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 2939, 4444, 5555, 5878, 11110, 11756, 14695, 22220, 29390, 32329, 58780, 64658, 129316, 161645, 296839, 323290, 593678, 646580, 1187356, 1484195, 2968390, 3265229, 5936780, 6530458, 13060916, 16326145, 32652290, 65304580]

約数ペア:

[(1, 65304580), (2, 32652290), (4, 16326145), (5, 13060916), (10, 6530458), (11, 5936780), (20, 3265229), (22, 2968390), (44, 1484195), (55, 1187356), (101, 646580), (110, 593678), (202, 323290), (220, 296839), (404, 161645), (505, 129316), (1010, 64658), (1111, 58780), (2020, 32329), (2222, 29390), (2939, 22220), (4444, 14695), (5555, 11756), (5878, 11110)]