40185920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4051}}^1$

素因数の和:4099

約数の個数: 56

約数和(自身を含む): 98803968

約数和(自身を除く): 58618048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4051, 4960, 8102, 9920, 16204, 20255, 32408, 40510, 64816, 81020, 125581, 129632, 162040, 251162, 259264, 324080, 502324, 627905, 648160, 1004648, 1255810, 1296320, 2009296, 2511620, 4018592, 5023240, 8037184, 10046480, 20092960, 40185920]

約数ペア:

[(1, 40185920), (2, 20092960), (4, 10046480), (5, 8037184), (8, 5023240), (10, 4018592), (16, 2511620), (20, 2009296), (31, 1296320), (32, 1255810), (40, 1004648), (62, 648160), (64, 627905), (80, 502324), (124, 324080), (155, 259264), (160, 251162), (248, 162040), (310, 129632), (320, 125581), (496, 81020), (620, 64816), (992, 40510), (1240, 32408), (1984, 20255), (2480, 16204), (4051, 9920), (4960, 8102)]