315528040

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{78101}}^1$

素因数の和:78213

約数の個数: 32

約数和(自身を含む): 716976360

約数和(自身を除く): 401448320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 78101, 156202, 312404, 390505, 624808, 781010, 1562020, 3124040, 7888201, 15776402, 31552804, 39441005, 63105608, 78882010, 157764020, 315528040]

約数ペア:

[(1, 315528040), (2, 157764020), (4, 78882010), (5, 63105608), (8, 39441005), (10, 31552804), (20, 15776402), (40, 7888201), (101, 3124040), (202, 1562020), (404, 781010), (505, 624808), (808, 390505), (1010, 312404), (2020, 156202), (4040, 78101)]