85485440

素因数分解:

$2^7\times 5^1\times {\mathrm{133571}}^1$

素因数の和:133590

約数の個数: 32

約数和(自身を含む): 204365160

約数和(自身を除く): 118879720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 133571, 267142, 534284, 667855, 1068568, 1335710, 2137136, 2671420, 4274272, 5342840, 8548544, 10685680, 17097088, 21371360, 42742720, 85485440]

約数ペア:

[(1, 85485440), (2, 42742720), (4, 21371360), (5, 17097088), (8, 10685680), (10, 8548544), (16, 5342840), (20, 4274272), (32, 2671420), (40, 2137136), (64, 1335710), (80, 1068568), (128, 667855), (160, 534284), (320, 267142), (640, 133571)]