129610000

素因数分解:

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

素因数の和:1038

約数の個数: 100

約数和(自身を含む): 338276092

約数和(自身を除く): 208666092

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, 625, 650, 997, 1000, 1040, 1250, 1300, 1625, 1994, 2000, 2500, 2600, 3250, 3988, 4985, 5000, 5200, 6500, 7976, 8125, 9970, 10000, 12961, 13000, 15952, 16250, 19940, 24925, 25922, 26000, 32500, 39880, 49850, 51844, 64805, 65000, 79760, 99700, 103688, 124625, 129610, 130000, 199400, 207376, 249250, 259220, 324025, 398800, 498500, 518440, 623125, 648050, 997000, 1036880, 1246250, 1296100, 1620125, 1994000, 2492500, 2592200, 3240250, 4985000, 5184400, 6480500, 8100625, 9970000, 12961000, 16201250, 25922000, 32402500, 64805000, 129610000]

約数ペア:

[(1, 129610000), (2, 64805000), (4, 32402500), (5, 25922000), (8, 16201250), (10, 12961000), (13, 9970000), (16, 8100625), (20, 6480500), (25, 5184400), (26, 4985000), (40, 3240250), (50, 2592200), (52, 2492500), (65, 1994000), (80, 1620125), (100, 1296100), (104, 1246250), (125, 1036880), (130, 997000), (200, 648050), (208, 623125), (250, 518440), (260, 498500), (325, 398800), (400, 324025), (500, 259220), (520, 249250), (625, 207376), (650, 199400), (997, 130000), (1000, 129610), (1040, 124625), (1250, 103688), (1300, 99700), (1625, 79760), (1994, 65000), (2000, 64805), (2500, 51844), (2600, 49850), (3250, 39880), (3988, 32500), (4985, 26000), (5000, 25922), (5200, 24925), (6500, 19940), (7976, 16250), (8125, 15952), (9970, 13000), (10000, 12961)]