99703880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{35107}}^1$

素因数の和:35189

約数の個数: 32

約数和(自身を含む): 227499840

約数和(自身を除く): 127795960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 35107, 70214, 140428, 175535, 280856, 351070, 702140, 1404280, 2492597, 4985194, 9970388, 12462985, 19940776, 24925970, 49851940, 99703880]

約数ペア:

[(1, 99703880), (2, 49851940), (4, 24925970), (5, 19940776), (8, 12462985), (10, 9970388), (20, 4985194), (40, 2492597), (71, 1404280), (142, 702140), (284, 351070), (355, 280856), (568, 175535), (710, 140428), (1420, 70214), (2840, 35107)]