28520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:65

約数の個数: 32

約数和(自身を含む): 69120

約数和(自身を除く): 40600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5704, 7130, 14260, 28520]

約数ペア:

[(1, 28520), (2, 14260), (4, 7130), (5, 5704), (8, 3565), (10, 2852), (20, 1426), (23, 1240), (31, 920), (40, 713), (46, 620), (62, 460), (92, 310), (115, 248), (124, 230), (155, 184)]