159807880

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{7639}}^1$

素因数の和:8173

約数の個数: 32

約数和(自身を含む): 360302400

約数和(自身を除く): 200494520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 7639, 10460, 15278, 20920, 30556, 38195, 61112, 76390, 152780, 305560, 3995197, 7990394, 15980788, 19975985, 31961576, 39951970, 79903940, 159807880]

約数ペア:

[(1, 159807880), (2, 79903940), (4, 39951970), (5, 31961576), (8, 19975985), (10, 15980788), (20, 7990394), (40, 3995197), (523, 305560), (1046, 152780), (2092, 76390), (2615, 61112), (4184, 38195), (5230, 30556), (7639, 20920), (10460, 15278)]