80281960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7933}}^1$

素因数の和:7978

約数の個数: 64

約数和(自身を含む): 205649280

約数和(自身を除く): 125367320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 7933, 10120, 15866, 31732, 39665, 63464, 79330, 87263, 158660, 174526, 182459, 317320, 349052, 364918, 436315, 698104, 729836, 872630, 912295, 1459672, 1745260, 1824590, 2007049, 3490520, 3649180, 4014098, 7298360, 8028196, 10035245, 16056392, 20070490, 40140980, 80281960]

約数ペア:

[(1, 80281960), (2, 40140980), (4, 20070490), (5, 16056392), (8, 10035245), (10, 8028196), (11, 7298360), (20, 4014098), (22, 3649180), (23, 3490520), (40, 2007049), (44, 1824590), (46, 1745260), (55, 1459672), (88, 912295), (92, 872630), (110, 729836), (115, 698104), (184, 436315), (220, 364918), (230, 349052), (253, 317320), (440, 182459), (460, 174526), (506, 158660), (920, 87263), (1012, 79330), (1265, 63464), (2024, 39665), (2530, 31732), (5060, 15866), (7933, 10120)]