45440

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1$

素因数の和:90

約数の個数: 32

約数和(自身を含む): 110160

約数和(自身を除く): 64720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 4544, 5680, 9088, 11360, 22720, 45440]

約数ペア:

[(1, 45440), (2, 22720), (4, 11360), (5, 9088), (8, 5680), (10, 4544), (16, 2840), (20, 2272), (32, 1420), (40, 1136), (64, 710), (71, 640), (80, 568), (128, 355), (142, 320), (160, 284)]