10271720

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{523}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 23202720

約数和(自身を除く): 12931000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 523, 982, 1046, 1964, 2092, 2455, 2615, 3928, 4184, 4910, 5230, 9820, 10460, 19640, 20920, 256793, 513586, 1027172, 1283965, 2054344, 2567930, 5135860, 10271720]

約数ペア:

[(1, 10271720), (2, 5135860), (4, 2567930), (5, 2054344), (8, 1283965), (10, 1027172), (20, 513586), (40, 256793), (491, 20920), (523, 19640), (982, 10460), (1046, 9820), (1964, 5230), (2092, 4910), (2455, 4184), (2615, 3928)]