28234640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:544

約数の個数: 80

約数和(自身を含む): 75804672

約数和(自身を除く): 47570032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 397, 508, 560, 635, 794, 889, 1016, 1270, 1588, 1778, 1985, 2032, 2540, 2779, 3176, 3556, 3970, 4445, 5080, 5558, 6352, 7112, 7940, 8890, 10160, 11116, 13895, 14224, 15880, 17780, 22232, 27790, 31760, 35560, 44464, 50419, 55580, 71120, 100838, 111160, 201676, 222320, 252095, 352933, 403352, 504190, 705866, 806704, 1008380, 1411732, 1764665, 2016760, 2823464, 3529330, 4033520, 5646928, 7058660, 14117320, 28234640]

約数ペア:

[(1, 28234640), (2, 14117320), (4, 7058660), (5, 5646928), (7, 4033520), (8, 3529330), (10, 2823464), (14, 2016760), (16, 1764665), (20, 1411732), (28, 1008380), (35, 806704), (40, 705866), (56, 504190), (70, 403352), (80, 352933), (112, 252095), (127, 222320), (140, 201676), (254, 111160), (280, 100838), (397, 71120), (508, 55580), (560, 50419), (635, 44464), (794, 35560), (889, 31760), (1016, 27790), (1270, 22232), (1588, 17780), (1778, 15880), (1985, 14224), (2032, 13895), (2540, 11116), (2779, 10160), (3176, 8890), (3556, 7940), (3970, 7112), (4445, 6352), (5080, 5558)]