51556240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 128241792

約数和(自身を除く): 76685552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 167, 170, 227, 272, 334, 340, 454, 668, 680, 835, 908, 1135, 1336, 1360, 1670, 1816, 2270, 2672, 2839, 3340, 3632, 3859, 4540, 5678, 6680, 7718, 9080, 11356, 13360, 14195, 15436, 18160, 19295, 22712, 28390, 30872, 37909, 38590, 45424, 56780, 61744, 75818, 77180, 113560, 151636, 154360, 189545, 227120, 303272, 308720, 379090, 606544, 644453, 758180, 1288906, 1516360, 2577812, 3032720, 3222265, 5155624, 6444530, 10311248, 12889060, 25778120, 51556240]

約数ペア:

[(1, 51556240), (2, 25778120), (4, 12889060), (5, 10311248), (8, 6444530), (10, 5155624), (16, 3222265), (17, 3032720), (20, 2577812), (34, 1516360), (40, 1288906), (68, 758180), (80, 644453), (85, 606544), (136, 379090), (167, 308720), (170, 303272), (227, 227120), (272, 189545), (334, 154360), (340, 151636), (454, 113560), (668, 77180), (680, 75818), (835, 61744), (908, 56780), (1135, 45424), (1336, 38590), (1360, 37909), (1670, 30872), (1816, 28390), (2270, 22712), (2672, 19295), (2839, 18160), (3340, 15436), (3632, 14195), (3859, 13360), (4540, 11356), (5678, 9080), (6680, 7718)]