89880160

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18121}}^1$

素因数の和:18167

約数の個数: 48

約数和(自身を含む): 219203712

約数和(自身を除く): 129323552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 18121, 36242, 72484, 90605, 144968, 181210, 289936, 362420, 561751, 579872, 724840, 1123502, 1449680, 2247004, 2808755, 2899360, 4494008, 5617510, 8988016, 11235020, 17976032, 22470040, 44940080, 89880160]

約数ペア:

[(1, 89880160), (2, 44940080), (4, 22470040), (5, 17976032), (8, 11235020), (10, 8988016), (16, 5617510), (20, 4494008), (31, 2899360), (32, 2808755), (40, 2247004), (62, 1449680), (80, 1123502), (124, 724840), (155, 579872), (160, 561751), (248, 362420), (310, 289936), (496, 181210), (620, 144968), (992, 90605), (1240, 72484), (2480, 36242), (4960, 18121)]