31149880

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1489}}^1$

素因数の和:2023

約数の個数: 32

約数和(自身を含む): 70268400

約数和(自身を除く): 39118520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 1489, 2092, 2615, 2978, 4184, 5230, 5956, 7445, 10460, 11912, 14890, 20920, 29780, 59560, 778747, 1557494, 3114988, 3893735, 6229976, 7787470, 15574940, 31149880]

約数ペア:

[(1, 31149880), (2, 15574940), (4, 7787470), (5, 6229976), (8, 3893735), (10, 3114988), (20, 1557494), (40, 778747), (523, 59560), (1046, 29780), (1489, 20920), (2092, 14890), (2615, 11912), (2978, 10460), (4184, 7445), (5230, 5956)]