79875200

素因数分解:

$2^7\times 5^2\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 199996500

約数和(自身を除く): 120121300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 128, 160, 200, 218, 229, 320, 400, 436, 458, 545, 640, 800, 872, 916, 1090, 1145, 1600, 1744, 1832, 2180, 2290, 2725, 3200, 3488, 3664, 4360, 4580, 5450, 5725, 6976, 7328, 8720, 9160, 10900, 11450, 13952, 14656, 17440, 18320, 21800, 22900, 24961, 29312, 34880, 36640, 43600, 45800, 49922, 69760, 73280, 87200, 91600, 99844, 124805, 146560, 174400, 183200, 199688, 249610, 348800, 366400, 399376, 499220, 624025, 732800, 798752, 998440, 1248050, 1597504, 1996880, 2496100, 3195008, 3993760, 4992200, 7987520, 9984400, 15975040, 19968800, 39937600, 79875200]

約数ペア:

[(1, 79875200), (2, 39937600), (4, 19968800), (5, 15975040), (8, 9984400), (10, 7987520), (16, 4992200), (20, 3993760), (25, 3195008), (32, 2496100), (40, 1996880), (50, 1597504), (64, 1248050), (80, 998440), (100, 798752), (109, 732800), (128, 624025), (160, 499220), (200, 399376), (218, 366400), (229, 348800), (320, 249610), (400, 199688), (436, 183200), (458, 174400), (545, 146560), (640, 124805), (800, 99844), (872, 91600), (916, 87200), (1090, 73280), (1145, 69760), (1600, 49922), (1744, 45800), (1832, 43600), (2180, 36640), (2290, 34880), (2725, 29312), (3200, 24961), (3488, 22900), (3664, 21800), (4360, 18320), (4580, 17440), (5450, 14656), (5725, 13952), (6976, 11450), (7328, 10900), (8720, 9160)]