5184400

素因数分解:

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

素因数の和:1028

約数の個数: 60

約数和(自身を含む): 13427092

約数和(自身を除く): 8242692

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 997, 1040, 1300, 1994, 2600, 3988, 4985, 5200, 7976, 9970, 12961, 15952, 19940, 24925, 25922, 39880, 49850, 51844, 64805, 79760, 99700, 103688, 129610, 199400, 207376, 259220, 324025, 398800, 518440, 648050, 1036880, 1296100, 2592200, 5184400]

約数ペア:

[(1, 5184400), (2, 2592200), (4, 1296100), (5, 1036880), (8, 648050), (10, 518440), (13, 398800), (16, 324025), (20, 259220), (25, 207376), (26, 199400), (40, 129610), (50, 103688), (52, 99700), (65, 79760), (80, 64805), (100, 51844), (104, 49850), (130, 39880), (200, 25922), (208, 24925), (260, 19940), (325, 15952), (400, 12961), (520, 9970), (650, 7976), (997, 5200), (1040, 4985), (1300, 3988), (1994, 2600)]