90904960

素因数分解:

$2^7\times 5^1\times {\mathrm{142039}}^1$

素因数の和:142058

約数の個数: 32

約数和(自身を含む): 217321200

約数和(自身を除く): 126416240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 142039, 284078, 568156, 710195, 1136312, 1420390, 2272624, 2840780, 4545248, 5681560, 9090496, 11363120, 18180992, 22726240, 45452480, 90904960]

約数ペア:

[(1, 90904960), (2, 45452480), (4, 22726240), (5, 18180992), (8, 11363120), (10, 9090496), (16, 5681560), (20, 4545248), (32, 2840780), (40, 2272624), (64, 1420390), (80, 1136312), (128, 710195), (160, 568156), (320, 284078), (640, 142039)]