13238972440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{24281}}^1$

素因数の和:24652

約数の個数: 64

約数和(自身を含む): 30577836960

約数和(自身を除く): 17338864520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 317, 344, 430, 634, 860, 1268, 1585, 1720, 2536, 3170, 6340, 12680, 13631, 24281, 27262, 48562, 54524, 68155, 97124, 109048, 121405, 136310, 194248, 242810, 272620, 485620, 545240, 971240, 1044083, 2088166, 4176332, 5220415, 7697077, 8352664, 10440830, 15394154, 20881660, 30788308, 38485385, 41763320, 61576616, 76970770, 153941540, 307883080, 330974311, 661948622, 1323897244, 1654871555, 2647794488, 3309743110, 6619486220, 13238972440]

約数ペア:

[(1, 13238972440), (2, 6619486220), (4, 3309743110), (5, 2647794488), (8, 1654871555), (10, 1323897244), (20, 661948622), (40, 330974311), (43, 307883080), (86, 153941540), (172, 76970770), (215, 61576616), (317, 41763320), (344, 38485385), (430, 30788308), (634, 20881660), (860, 15394154), (1268, 10440830), (1585, 8352664), (1720, 7697077), (2536, 5220415), (3170, 4176332), (6340, 2088166), (12680, 1044083), (13631, 971240), (24281, 545240), (27262, 485620), (48562, 272620), (54524, 242810), (68155, 194248), (97124, 136310), (109048, 121405)]