20131071160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8250439}}^1$

素因数の和:8250511

約数の個数: 32

約数和(自身を含む): 46037455200

約数和(自身を除く): 25906384040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 8250439, 16500878, 33001756, 41252195, 66003512, 82504390, 165008780, 330017560, 503276779, 1006553558, 2013107116, 2516383895, 4026214232, 5032767790, 10065535580, 20131071160]

約数ペア:

[(1, 20131071160), (2, 10065535580), (4, 5032767790), (5, 4026214232), (8, 2516383895), (10, 2013107116), (20, 1006553558), (40, 503276779), (61, 330017560), (122, 165008780), (244, 82504390), (305, 66003512), (488, 41252195), (610, 33001756), (1220, 16500878), (2440, 8250439)]