82505420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1069}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 184433760

約数和(自身を除く): 101928340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 227, 340, 454, 908, 1069, 1135, 2138, 2270, 3859, 4276, 4540, 5345, 7718, 10690, 15436, 18173, 19295, 21380, 36346, 38590, 72692, 77180, 90865, 181730, 242663, 363460, 485326, 970652, 1213315, 2426630, 4125271, 4853260, 8250542, 16501084, 20626355, 41252710, 82505420]

約数ペア:

[(1, 82505420), (2, 41252710), (4, 20626355), (5, 16501084), (10, 8250542), (17, 4853260), (20, 4125271), (34, 2426630), (68, 1213315), (85, 970652), (170, 485326), (227, 363460), (340, 242663), (454, 181730), (908, 90865), (1069, 77180), (1135, 72692), (2138, 38590), (2270, 36346), (3859, 21380), (4276, 19295), (4540, 18173), (5345, 15436), (7718, 10690)]