9811840

素因数分解:

$2^7\times 5^1\times {\mathrm{15331}}^1$

素因数の和:15350

約数の個数: 32

約数和(自身を含む): 23457960

約数和(自身を除く): 13646120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 15331, 30662, 61324, 76655, 122648, 153310, 245296, 306620, 490592, 613240, 981184, 1226480, 1962368, 2452960, 4905920, 9811840]

約数ペア:

[(1, 9811840), (2, 4905920), (4, 2452960), (5, 1962368), (8, 1226480), (10, 981184), (16, 613240), (20, 490592), (32, 306620), (40, 245296), (64, 153310), (80, 122648), (128, 76655), (160, 61324), (320, 30662), (640, 15331)]