53781880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 129276000

約数和(自身を除く): 75494120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 340, 556, 569, 680, 695, 1112, 1138, 1390, 2276, 2363, 2780, 2845, 4552, 4726, 5560, 5690, 9452, 9673, 11380, 11815, 18904, 19346, 22760, 23630, 38692, 47260, 48365, 77384, 79091, 94520, 96730, 158182, 193460, 316364, 386920, 395455, 632728, 790910, 1344547, 1581820, 2689094, 3163640, 5378188, 6722735, 10756376, 13445470, 26890940, 53781880]

約数ペア:

[(1, 53781880), (2, 26890940), (4, 13445470), (5, 10756376), (8, 6722735), (10, 5378188), (17, 3163640), (20, 2689094), (34, 1581820), (40, 1344547), (68, 790910), (85, 632728), (136, 395455), (139, 386920), (170, 316364), (278, 193460), (340, 158182), (556, 96730), (569, 94520), (680, 79091), (695, 77384), (1112, 48365), (1138, 47260), (1390, 38692), (2276, 23630), (2363, 22760), (2780, 19346), (2845, 18904), (4552, 11815), (4726, 11380), (5560, 9673), (5690, 9452)]