43520

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1$

素因数の和:40

約数の個数: 40

約数和(自身を含む): 110484

約数和(自身を除く): 66964

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 5440, 8704, 10880, 21760, 43520]

約数ペア:

[(1, 43520), (2, 21760), (4, 10880), (5, 8704), (8, 5440), (10, 4352), (16, 2720), (17, 2560), (20, 2176), (32, 1360), (34, 1280), (40, 1088), (64, 680), (68, 640), (80, 544), (85, 512), (128, 340), (136, 320), (160, 272), (170, 256)]