201200920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{46147}}^1$

素因数の和:46267

約数の個数: 32

約数和(自身を含む): 456865200

約数和(自身を除く): 255664280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 46147, 92294, 184588, 230735, 369176, 461470, 922940, 1845880, 5030023, 10060046, 20120092, 25150115, 40240184, 50300230, 100600460, 201200920]

約数ペア:

[(1, 201200920), (2, 100600460), (4, 50300230), (5, 40240184), (8, 25150115), (10, 20120092), (20, 10060046), (40, 5030023), (109, 1845880), (218, 922940), (436, 461470), (545, 369176), (872, 230735), (1090, 184588), (2180, 92294), (4360, 46147)]