16251440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6553}}^1$

素因数の和:6597

約数の個数: 40

約数和(自身を含む): 39009408

約数和(自身を除く): 22757968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6553, 13106, 26212, 32765, 52424, 65530, 104848, 131060, 203143, 262120, 406286, 524240, 812572, 1015715, 1625144, 2031430, 3250288, 4062860, 8125720, 16251440]

約数ペア:

[(1, 16251440), (2, 8125720), (4, 4062860), (5, 3250288), (8, 2031430), (10, 1625144), (16, 1015715), (20, 812572), (31, 524240), (40, 406286), (62, 262120), (80, 203143), (124, 131060), (155, 104848), (248, 65530), (310, 52424), (496, 32765), (620, 26212), (1240, 13106), (2480, 6553)]