55165540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 120657600

約数和(自身を除く): 65492060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 227, 290, 419, 454, 580, 838, 908, 1135, 1676, 2095, 2270, 4190, 4540, 6583, 8380, 12151, 13166, 24302, 26332, 32915, 48604, 60755, 65830, 95113, 121510, 131660, 190226, 243020, 380452, 475565, 951130, 1902260, 2758277, 5516554, 11033108, 13791385, 27582770, 55165540]

約数ペア:

[(1, 55165540), (2, 27582770), (4, 13791385), (5, 11033108), (10, 5516554), (20, 2758277), (29, 1902260), (58, 951130), (116, 475565), (145, 380452), (227, 243020), (290, 190226), (419, 131660), (454, 121510), (580, 95113), (838, 65830), (908, 60755), (1135, 48604), (1676, 32915), (2095, 26332), (2270, 24302), (4190, 13166), (4540, 12151), (6583, 8380)]