979840

素因数分解:

$2^7\times 5^1\times {\mathrm{1531}}^1$

素因数の和:1550

約数の個数: 32

約数和(自身を含む): 2343960

約数和(自身を除く): 1364120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1531, 3062, 6124, 7655, 12248, 15310, 24496, 30620, 48992, 61240, 97984, 122480, 195968, 244960, 489920, 979840]

約数ペア:

[(1, 979840), (2, 489920), (4, 244960), (5, 195968), (8, 122480), (10, 97984), (16, 61240), (20, 48992), (32, 30620), (40, 24496), (64, 15310), (80, 12248), (128, 7655), (160, 6124), (320, 3062), (640, 1531)]