8399120

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1567}}^1$

素因数の和:1647

約数の個数: 40

約数和(自身を含む): 19832064

約数和(自身を除く): 11432944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 1567, 2680, 3134, 5360, 6268, 7835, 12536, 15670, 25072, 31340, 62680, 104989, 125360, 209978, 419956, 524945, 839912, 1049890, 1679824, 2099780, 4199560, 8399120]

約数ペア:

[(1, 8399120), (2, 4199560), (4, 2099780), (5, 1679824), (8, 1049890), (10, 839912), (16, 524945), (20, 419956), (40, 209978), (67, 125360), (80, 104989), (134, 62680), (268, 31340), (335, 25072), (536, 15670), (670, 12536), (1072, 7835), (1340, 6268), (1567, 5360), (2680, 3134)]