3964492720

素因数分解:

$2^4\times 5^1\times {\mathrm{49556159}}^1$

素因数の和:49556172

約数の個数: 20

約数和(自身を含む): 9217445760

約数和(自身を除く): 5252953040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49556159, 99112318, 198224636, 247780795, 396449272, 495561590, 792898544, 991123180, 1982246360, 3964492720]

約数ペア:

[(1, 3964492720), (2, 1982246360), (4, 991123180), (5, 792898544), (8, 495561590), (10, 396449272), (16, 247780795), (20, 198224636), (40, 99112318), (80, 49556159)]