13927700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 32081280

約数和(自身を除く): 18153580

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 43, 50, 79, 82, 86, 100, 158, 164, 172, 205, 215, 316, 395, 410, 430, 790, 820, 860, 1025, 1075, 1580, 1763, 1975, 2050, 2150, 3239, 3397, 3526, 3950, 4100, 4300, 6478, 6794, 7052, 7900, 8815, 12956, 13588, 16195, 16985, 17630, 32390, 33970, 35260, 44075, 64780, 67940, 80975, 84925, 88150, 139277, 161950, 169850, 176300, 278554, 323900, 339700, 557108, 696385, 1392770, 2785540, 3481925, 6963850, 13927700]

約数ペア:

[(1, 13927700), (2, 6963850), (4, 3481925), (5, 2785540), (10, 1392770), (20, 696385), (25, 557108), (41, 339700), (43, 323900), (50, 278554), (79, 176300), (82, 169850), (86, 161950), (100, 139277), (158, 88150), (164, 84925), (172, 80975), (205, 67940), (215, 64780), (316, 44075), (395, 35260), (410, 33970), (430, 32390), (790, 17630), (820, 16985), (860, 16195), (1025, 13588), (1075, 12956), (1580, 8815), (1763, 7900), (1975, 7052), (2050, 6794), (2150, 6478), (3239, 4300), (3397, 4100), (3526, 3950)]