15651280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6311}}^1$

素因数の和:6355

約数の個数: 40

約数和(自身を含む): 37569024

約数和(自身を除く): 21917744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6311, 12622, 25244, 31555, 50488, 63110, 100976, 126220, 195641, 252440, 391282, 504880, 782564, 978205, 1565128, 1956410, 3130256, 3912820, 7825640, 15651280]

約数ペア:

[(1, 15651280), (2, 7825640), (4, 3912820), (5, 3130256), (8, 1956410), (10, 1565128), (16, 978205), (20, 782564), (31, 504880), (40, 391282), (62, 252440), (80, 195641), (124, 126220), (155, 100976), (248, 63110), (310, 50488), (496, 31555), (620, 25244), (1240, 12622), (2480, 6311)]