202218880

素因数分解:

$2^7\times 5^1\times {\mathrm{315967}}^1$

素因数の和:315986

約数の個数: 32

約数和(自身を含む): 483431040

約数和(自身を除く): 281212160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315967, 631934, 1263868, 1579835, 2527736, 3159670, 5055472, 6319340, 10110944, 12638680, 20221888, 25277360, 40443776, 50554720, 101109440, 202218880]

約数ペア:

[(1, 202218880), (2, 101109440), (4, 50554720), (5, 40443776), (8, 25277360), (10, 20221888), (16, 12638680), (20, 10110944), (32, 6319340), (40, 5055472), (64, 3159670), (80, 2527736), (128, 1579835), (160, 1263868), (320, 631934), (640, 315967)]