90742720

素因数分解:

$2^6\times 5^1\times {\mathrm{283571}}^1$

素因数の和:283588

約数の個数: 28

約数和(自身を含む): 216081864

約数和(自身を除く): 125339144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 283571, 567142, 1134284, 1417855, 2268568, 2835710, 4537136, 5671420, 9074272, 11342840, 18148544, 22685680, 45371360, 90742720]

約数ペア:

[(1, 90742720), (2, 45371360), (4, 22685680), (5, 18148544), (8, 11342840), (10, 9074272), (16, 5671420), (20, 4537136), (32, 2835710), (40, 2268568), (64, 1417855), (80, 1134284), (160, 567142), (320, 283571)]