61945000

素因数分解:

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

素因数の和:992

約数の個数: 80

約数和(自身を含む): 156465540

約数和(自身を除く): 94520540

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 625, 650, 953, 1000, 1250, 1300, 1625, 1906, 2500, 2600, 3250, 3812, 4765, 5000, 6500, 7624, 8125, 9530, 12389, 13000, 16250, 19060, 23825, 24778, 32500, 38120, 47650, 49556, 61945, 65000, 95300, 99112, 119125, 123890, 190600, 238250, 247780, 309725, 476500, 495560, 595625, 619450, 953000, 1191250, 1238900, 1548625, 2382500, 2477800, 3097250, 4765000, 6194500, 7743125, 12389000, 15486250, 30972500, 61945000]

約数ペア:

[(1, 61945000), (2, 30972500), (4, 15486250), (5, 12389000), (8, 7743125), (10, 6194500), (13, 4765000), (20, 3097250), (25, 2477800), (26, 2382500), (40, 1548625), (50, 1238900), (52, 1191250), (65, 953000), (100, 619450), (104, 595625), (125, 495560), (130, 476500), (200, 309725), (250, 247780), (260, 238250), (325, 190600), (500, 123890), (520, 119125), (625, 99112), (650, 95300), (953, 65000), (1000, 61945), (1250, 49556), (1300, 47650), (1625, 38120), (1906, 32500), (2500, 24778), (2600, 23825), (3250, 19060), (3812, 16250), (4765, 13000), (5000, 12389), (6500, 9530), (7624, 8125)]