28623760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2957}}^1$

素因数の和:2992

約数の個数: 60

約数和(自身を含む): 73175004

約数和(自身を除く): 44551244

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 2957, 4840, 5914, 9680, 11828, 14785, 23656, 29570, 32527, 47312, 59140, 65054, 118280, 130108, 162635, 236560, 260216, 325270, 357797, 520432, 650540, 715594, 1301080, 1431188, 1788985, 2602160, 2862376, 3577970, 5724752, 7155940, 14311880, 28623760]

約数ペア:

[(1, 28623760), (2, 14311880), (4, 7155940), (5, 5724752), (8, 3577970), (10, 2862376), (11, 2602160), (16, 1788985), (20, 1431188), (22, 1301080), (40, 715594), (44, 650540), (55, 520432), (80, 357797), (88, 325270), (110, 260216), (121, 236560), (176, 162635), (220, 130108), (242, 118280), (440, 65054), (484, 59140), (605, 47312), (880, 32527), (968, 29570), (1210, 23656), (1936, 14785), (2420, 11828), (2957, 9680), (4840, 5914)]