858080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 2104704

約数和(自身を除く): 1246624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 173, 248, 310, 346, 496, 620, 692, 865, 992, 1240, 1384, 1730, 2480, 2768, 3460, 4960, 5363, 5536, 6920, 10726, 13840, 21452, 26815, 27680, 42904, 53630, 85808, 107260, 171616, 214520, 429040, 858080]

約数ペア:

[(1, 858080), (2, 429040), (4, 214520), (5, 171616), (8, 107260), (10, 85808), (16, 53630), (20, 42904), (31, 27680), (32, 26815), (40, 21452), (62, 13840), (80, 10726), (124, 6920), (155, 5536), (160, 5363), (173, 4960), (248, 3460), (310, 2768), (346, 2480), (496, 1730), (620, 1384), (692, 1240), (865, 992)]