80619500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 193240320

約数和(自身を除く): 112620820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 79, 100, 125, 130, 157, 158, 250, 260, 314, 316, 325, 395, 500, 628, 650, 785, 790, 1027, 1300, 1570, 1580, 1625, 1975, 2041, 2054, 3140, 3250, 3925, 3950, 4082, 4108, 5135, 6500, 7850, 7900, 8164, 9875, 10205, 10270, 12403, 15700, 19625, 19750, 20410, 20540, 24806, 25675, 39250, 39500, 40820, 49612, 51025, 51350, 62015, 78500, 102050, 102700, 124030, 128375, 161239, 204100, 248060, 255125, 256750, 310075, 322478, 510250, 513500, 620150, 644956, 806195, 1020500, 1240300, 1550375, 1612390, 3100750, 3224780, 4030975, 6201500, 8061950, 16123900, 20154875, 40309750, 80619500]

約数ペア:

[(1, 80619500), (2, 40309750), (4, 20154875), (5, 16123900), (10, 8061950), (13, 6201500), (20, 4030975), (25, 3224780), (26, 3100750), (50, 1612390), (52, 1550375), (65, 1240300), (79, 1020500), (100, 806195), (125, 644956), (130, 620150), (157, 513500), (158, 510250), (250, 322478), (260, 310075), (314, 256750), (316, 255125), (325, 248060), (395, 204100), (500, 161239), (628, 128375), (650, 124030), (785, 102700), (790, 102050), (1027, 78500), (1300, 62015), (1570, 51350), (1580, 51025), (1625, 49612), (1975, 40820), (2041, 39500), (2054, 39250), (3140, 25675), (3250, 24806), (3925, 20540), (3950, 20410), (4082, 19750), (4108, 19625), (5135, 15700), (6500, 12403), (7850, 10270), (7900, 10205), (8164, 9875)]