25246160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 36624880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 179, 205, 215, 328, 344, 358, 410, 430, 656, 688, 716, 820, 860, 895, 1432, 1640, 1720, 1763, 1790, 2864, 3280, 3440, 3526, 3580, 7052, 7160, 7339, 7697, 8815, 14104, 14320, 14678, 15394, 17630, 28208, 29356, 30788, 35260, 36695, 38485, 58712, 61576, 70520, 73390, 76970, 117424, 123152, 141040, 146780, 153940, 293560, 307880, 315577, 587120, 615760, 631154, 1262308, 1577885, 2524616, 3155770, 5049232, 6311540, 12623080, 25246160]

約数ペア:

[(1, 25246160), (2, 12623080), (4, 6311540), (5, 5049232), (8, 3155770), (10, 2524616), (16, 1577885), (20, 1262308), (40, 631154), (41, 615760), (43, 587120), (80, 315577), (82, 307880), (86, 293560), (164, 153940), (172, 146780), (179, 141040), (205, 123152), (215, 117424), (328, 76970), (344, 73390), (358, 70520), (410, 61576), (430, 58712), (656, 38485), (688, 36695), (716, 35260), (820, 30788), (860, 29356), (895, 28208), (1432, 17630), (1640, 15394), (1720, 14678), (1763, 14320), (1790, 14104), (2864, 8815), (3280, 7697), (3440, 7339), (3526, 7160), (3580, 7052)]