24778000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{953}}^1$

素因数の和:989

約数の個数: 80

約数和(自身を含む): 64589616

約数和(自身を除く): 39811616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 953, 1000, 1040, 1300, 1625, 1906, 2000, 2600, 3250, 3812, 4765, 5200, 6500, 7624, 9530, 12389, 13000, 15248, 19060, 23825, 24778, 26000, 38120, 47650, 49556, 61945, 76240, 95300, 99112, 119125, 123890, 190600, 198224, 238250, 247780, 309725, 381200, 476500, 495560, 619450, 953000, 991120, 1238900, 1548625, 1906000, 2477800, 3097250, 4955600, 6194500, 12389000, 24778000]

約数ペア:

[(1, 24778000), (2, 12389000), (4, 6194500), (5, 4955600), (8, 3097250), (10, 2477800), (13, 1906000), (16, 1548625), (20, 1238900), (25, 991120), (26, 953000), (40, 619450), (50, 495560), (52, 476500), (65, 381200), (80, 309725), (100, 247780), (104, 238250), (125, 198224), (130, 190600), (200, 123890), (208, 119125), (250, 99112), (260, 95300), (325, 76240), (400, 61945), (500, 49556), (520, 47650), (650, 38120), (953, 26000), (1000, 24778), (1040, 23825), (1300, 19060), (1625, 15248), (1906, 13000), (2000, 12389), (2600, 9530), (3250, 7624), (3812, 6500), (4765, 5200)]