127007920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1259}}^1$

素因数の和:1382

約数の個数: 80

約数和(自身を含む): 321541920

約数和(自身を除く): 194534000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 776, 970, 1040, 1259, 1261, 1552, 1940, 2518, 2522, 3880, 5036, 5044, 6295, 6305, 7760, 10072, 10088, 12590, 12610, 16367, 20144, 20176, 25180, 25220, 32734, 50360, 50440, 65468, 81835, 100720, 100880, 122123, 130936, 163670, 244246, 261872, 327340, 488492, 610615, 654680, 976984, 1221230, 1309360, 1587599, 1953968, 2442460, 3175198, 4884920, 6350396, 7937995, 9769840, 12700792, 15875990, 25401584, 31751980, 63503960, 127007920]

約数ペア:

[(1, 127007920), (2, 63503960), (4, 31751980), (5, 25401584), (8, 15875990), (10, 12700792), (13, 9769840), (16, 7937995), (20, 6350396), (26, 4884920), (40, 3175198), (52, 2442460), (65, 1953968), (80, 1587599), (97, 1309360), (104, 1221230), (130, 976984), (194, 654680), (208, 610615), (260, 488492), (388, 327340), (485, 261872), (520, 244246), (776, 163670), (970, 130936), (1040, 122123), (1259, 100880), (1261, 100720), (1552, 81835), (1940, 65468), (2518, 50440), (2522, 50360), (3880, 32734), (5036, 25220), (5044, 25180), (6295, 20176), (6305, 20144), (7760, 16367), (10072, 12610), (10088, 12590)]