7813000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 19721520

約数和(自身を除く): 11908520

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, 601, 650, 1000, 1202, 1300, 1625, 2404, 2600, 3005, 3250, 4808, 6010, 6500, 7813, 12020, 13000, 15025, 15626, 24040, 30050, 31252, 39065, 60100, 62504, 75125, 78130, 120200, 150250, 156260, 195325, 300500, 312520, 390650, 601000, 781300, 976625, 1562600, 1953250, 3906500, 7813000]

約数ペア:

[(1, 7813000), (2, 3906500), (4, 1953250), (5, 1562600), (8, 976625), (10, 781300), (13, 601000), (20, 390650), (25, 312520), (26, 300500), (40, 195325), (50, 156260), (52, 150250), (65, 120200), (100, 78130), (104, 75125), (125, 62504), (130, 60100), (200, 39065), (250, 31252), (260, 30050), (325, 24040), (500, 15626), (520, 15025), (601, 13000), (650, 12020), (1000, 7813), (1202, 6500), (1300, 6010), (1625, 4808), (2404, 3250), (2600, 3005)]