49578920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{39983}}^1$

素因数の和:40025

約数の個数: 32

約数和(自身を含む): 115153920

約数和(自身を除く): 65575000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 39983, 79966, 159932, 199915, 319864, 399830, 799660, 1239473, 1599320, 2478946, 4957892, 6197365, 9915784, 12394730, 24789460, 49578920]

約数ペア:

[(1, 49578920), (2, 24789460), (4, 12394730), (5, 9915784), (8, 6197365), (10, 4957892), (20, 2478946), (31, 1599320), (40, 1239473), (62, 799660), (124, 399830), (155, 319864), (248, 199915), (310, 159932), (620, 79966), (1240, 39983)]