31370720

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2203}}^1$

素因数の和:2307

約数の個数: 48

約数和(自身を含む): 74980080

約数和(自身を除く): 43609360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2203, 2848, 3560, 4406, 7120, 8812, 11015, 14240, 17624, 22030, 35248, 44060, 70496, 88120, 176240, 196067, 352480, 392134, 784268, 980335, 1568536, 1960670, 3137072, 3921340, 6274144, 7842680, 15685360, 31370720]

約数ペア:

[(1, 31370720), (2, 15685360), (4, 7842680), (5, 6274144), (8, 3921340), (10, 3137072), (16, 1960670), (20, 1568536), (32, 980335), (40, 784268), (80, 392134), (89, 352480), (160, 196067), (178, 176240), (356, 88120), (445, 70496), (712, 44060), (890, 35248), (1424, 22030), (1780, 17624), (2203, 14240), (2848, 11015), (3560, 8812), (4406, 7120)]