25922000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1033

約数の個数: 80

約数和(自身を含む): 67568592

約数和(自身を除く): 41646592

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, 997, 1000, 1040, 1300, 1625, 1994, 2000, 2600, 3250, 3988, 4985, 5200, 6500, 7976, 9970, 12961, 13000, 15952, 19940, 24925, 25922, 26000, 39880, 49850, 51844, 64805, 79760, 99700, 103688, 124625, 129610, 199400, 207376, 249250, 259220, 324025, 398800, 498500, 518440, 648050, 997000, 1036880, 1296100, 1620125, 1994000, 2592200, 3240250, 5184400, 6480500, 12961000, 25922000]

約数ペア:

[(1, 25922000), (2, 12961000), (4, 6480500), (5, 5184400), (8, 3240250), (10, 2592200), (13, 1994000), (16, 1620125), (20, 1296100), (25, 1036880), (26, 997000), (40, 648050), (50, 518440), (52, 498500), (65, 398800), (80, 324025), (100, 259220), (104, 249250), (125, 207376), (130, 199400), (200, 129610), (208, 124625), (250, 103688), (260, 99700), (325, 79760), (400, 64805), (500, 51844), (520, 49850), (650, 39880), (997, 26000), (1000, 25922), (1040, 24925), (1300, 19940), (1625, 15952), (1994, 13000), (2000, 12961), (2600, 9970), (3250, 7976), (3988, 6500), (4985, 5200)]