27268840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21991}}^1$

素因数の和:22033

約数の個数: 32

約数和(自身を含む): 63336960

約数和(自身を除く): 36068120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21991, 43982, 87964, 109955, 175928, 219910, 439820, 681721, 879640, 1363442, 2726884, 3408605, 5453768, 6817210, 13634420, 27268840]

約数ペア:

[(1, 27268840), (2, 13634420), (4, 6817210), (5, 5453768), (8, 3408605), (10, 2726884), (20, 1363442), (31, 879640), (40, 681721), (62, 439820), (124, 219910), (155, 175928), (248, 109955), (310, 87964), (620, 43982), (1240, 21991)]