129623960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79039}}^1$

素因数の和:79091

約数の個数: 32

約数和(自身を含む): 298771200

約数和(自身を除く): 169147240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 79039, 158078, 316156, 395195, 632312, 790390, 1580780, 3161560, 3240599, 6481198, 12962396, 16202995, 25924792, 32405990, 64811980, 129623960]

約数ペア:

[(1, 129623960), (2, 64811980), (4, 32405990), (5, 25924792), (8, 16202995), (10, 12962396), (20, 6481198), (40, 3240599), (41, 3161560), (82, 1580780), (164, 790390), (205, 632312), (328, 395195), (410, 316156), (820, 158078), (1640, 79039)]