28692560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 73495296

約数和(自身を除く): 44802736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 587, 611, 752, 940, 1040, 1174, 1222, 1880, 2348, 2444, 2935, 3055, 3760, 4696, 4888, 5870, 6110, 7631, 9392, 9776, 11740, 12220, 15262, 23480, 24440, 27589, 30524, 38155, 46960, 48880, 55178, 61048, 76310, 110356, 122096, 137945, 152620, 220712, 275890, 305240, 358657, 441424, 551780, 610480, 717314, 1103560, 1434628, 1793285, 2207120, 2869256, 3586570, 5738512, 7173140, 14346280, 28692560]

約数ペア:

[(1, 28692560), (2, 14346280), (4, 7173140), (5, 5738512), (8, 3586570), (10, 2869256), (13, 2207120), (16, 1793285), (20, 1434628), (26, 1103560), (40, 717314), (47, 610480), (52, 551780), (65, 441424), (80, 358657), (94, 305240), (104, 275890), (130, 220712), (188, 152620), (208, 137945), (235, 122096), (260, 110356), (376, 76310), (470, 61048), (520, 55178), (587, 48880), (611, 46960), (752, 38155), (940, 30524), (1040, 27589), (1174, 24440), (1222, 23480), (1880, 15262), (2348, 12220), (2444, 11740), (2935, 9776), (3055, 9392), (3760, 7631), (4696, 6110), (4888, 5870)]