51550460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 125737920

約数和(自身を除く): 74187460

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 107, 109, 130, 170, 214, 218, 221, 260, 340, 428, 436, 442, 535, 545, 884, 1070, 1090, 1105, 1391, 1417, 1819, 1853, 2140, 2180, 2210, 2782, 2834, 3638, 3706, 4420, 5564, 5668, 6955, 7085, 7276, 7412, 9095, 9265, 11663, 13910, 14170, 18190, 18530, 23326, 23647, 24089, 27820, 28340, 36380, 37060, 46652, 47294, 48178, 58315, 94588, 96356, 116630, 118235, 120445, 151619, 198271, 233260, 236470, 240890, 303238, 396542, 472940, 481780, 606476, 758095, 793084, 991355, 1516190, 1982710, 2577523, 3032380, 3965420, 5155046, 10310092, 12887615, 25775230, 51550460]

約数ペア:

[(1, 51550460), (2, 25775230), (4, 12887615), (5, 10310092), (10, 5155046), (13, 3965420), (17, 3032380), (20, 2577523), (26, 1982710), (34, 1516190), (52, 991355), (65, 793084), (68, 758095), (85, 606476), (107, 481780), (109, 472940), (130, 396542), (170, 303238), (214, 240890), (218, 236470), (221, 233260), (260, 198271), (340, 151619), (428, 120445), (436, 118235), (442, 116630), (535, 96356), (545, 94588), (884, 58315), (1070, 48178), (1090, 47294), (1105, 46652), (1391, 37060), (1417, 36380), (1819, 28340), (1853, 27820), (2140, 24089), (2180, 23647), (2210, 23326), (2782, 18530), (2834, 18190), (3638, 14170), (3706, 13910), (4420, 11663), (5564, 9265), (5668, 9095), (6955, 7412), (7085, 7276)]