25053920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 64120896

約数和(自身を除く): 39066976

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 68, 80, 85, 122, 136, 151, 160, 170, 244, 272, 302, 305, 340, 488, 544, 604, 610, 680, 755, 976, 1037, 1208, 1220, 1360, 1510, 1952, 2074, 2416, 2440, 2567, 2720, 3020, 4148, 4832, 4880, 5134, 5185, 6040, 8296, 9211, 9760, 10268, 10370, 12080, 12835, 16592, 18422, 20536, 20740, 24160, 25670, 33184, 36844, 41072, 41480, 46055, 51340, 73688, 82144, 82960, 92110, 102680, 147376, 156587, 165920, 184220, 205360, 294752, 313174, 368440, 410720, 626348, 736880, 782935, 1252696, 1473760, 1565870, 2505392, 3131740, 5010784, 6263480, 12526960, 25053920]

約数ペア:

[(1, 25053920), (2, 12526960), (4, 6263480), (5, 5010784), (8, 3131740), (10, 2505392), (16, 1565870), (17, 1473760), (20, 1252696), (32, 782935), (34, 736880), (40, 626348), (61, 410720), (68, 368440), (80, 313174), (85, 294752), (122, 205360), (136, 184220), (151, 165920), (160, 156587), (170, 147376), (244, 102680), (272, 92110), (302, 82960), (305, 82144), (340, 73688), (488, 51340), (544, 46055), (604, 41480), (610, 41072), (680, 36844), (755, 33184), (976, 25670), (1037, 24160), (1208, 20740), (1220, 20536), (1360, 18422), (1510, 16592), (1952, 12835), (2074, 12080), (2416, 10370), (2440, 10268), (2567, 9760), (2720, 9211), (3020, 8296), (4148, 6040), (4832, 5185), (4880, 5134)]