28880800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2810

約数の個数: 72

約数和(自身を含む): 75956076

約数和(自身を除く): 47075276

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 2777, 5200, 5554, 10400, 11108, 13885, 22216, 27770, 36101, 44432, 55540, 69425, 72202, 88864, 111080, 138850, 144404, 180505, 222160, 277700, 288808, 361010, 444320, 555400, 577616, 722020, 902525, 1110800, 1155232, 1444040, 1805050, 2221600, 2888080, 3610100, 5776160, 7220200, 14440400, 28880800]

約数ペア:

[(1, 28880800), (2, 14440400), (4, 7220200), (5, 5776160), (8, 3610100), (10, 2888080), (13, 2221600), (16, 1805050), (20, 1444040), (25, 1155232), (26, 1110800), (32, 902525), (40, 722020), (50, 577616), (52, 555400), (65, 444320), (80, 361010), (100, 288808), (104, 277700), (130, 222160), (160, 180505), (200, 144404), (208, 138850), (260, 111080), (325, 88864), (400, 72202), (416, 69425), (520, 55540), (650, 44432), (800, 36101), (1040, 27770), (1300, 22216), (2080, 13885), (2600, 11108), (2777, 10400), (5200, 5554)]