71199880

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{10289}}^1$

素因数の和:10473

約数の個数: 32

約数和(自身を含む): 161141400

約数和(自身を除く): 89941520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 10289, 20578, 41156, 51445, 82312, 102890, 205780, 411560, 1779997, 3559994, 7119988, 8899985, 14239976, 17799970, 35599940, 71199880]

約数ペア:

[(1, 71199880), (2, 35599940), (4, 17799970), (5, 14239976), (8, 8899985), (10, 7119988), (20, 3559994), (40, 1779997), (173, 411560), (346, 205780), (692, 102890), (865, 82312), (1384, 51445), (1730, 41156), (3460, 20578), (6920, 10289)]