89380000

素因数分解:

$2^5\times 5^4\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 120

約数和(自身を含む): 227317860

約数和(自身を除く): 137937860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 109, 125, 160, 164, 200, 205, 218, 250, 328, 400, 410, 436, 500, 545, 625, 656, 800, 820, 872, 1000, 1025, 1090, 1250, 1312, 1640, 1744, 2000, 2050, 2180, 2500, 2725, 3280, 3488, 4000, 4100, 4360, 4469, 5000, 5125, 5450, 6560, 8200, 8720, 8938, 10000, 10250, 10900, 13625, 16400, 17440, 17876, 20000, 20500, 21800, 22345, 25625, 27250, 32800, 35752, 41000, 43600, 44690, 51250, 54500, 68125, 71504, 82000, 87200, 89380, 102500, 109000, 111725, 136250, 143008, 164000, 178760, 205000, 218000, 223450, 272500, 357520, 410000, 436000, 446900, 545000, 558625, 715040, 820000, 893800, 1090000, 1117250, 1787600, 2180000, 2234500, 2793125, 3575200, 4469000, 5586250, 8938000, 11172500, 17876000, 22345000, 44690000, 89380000]

約数ペア:

[(1, 89380000), (2, 44690000), (4, 22345000), (5, 17876000), (8, 11172500), (10, 8938000), (16, 5586250), (20, 4469000), (25, 3575200), (32, 2793125), (40, 2234500), (41, 2180000), (50, 1787600), (80, 1117250), (82, 1090000), (100, 893800), (109, 820000), (125, 715040), (160, 558625), (164, 545000), (200, 446900), (205, 436000), (218, 410000), (250, 357520), (328, 272500), (400, 223450), (410, 218000), (436, 205000), (500, 178760), (545, 164000), (625, 143008), (656, 136250), (800, 111725), (820, 109000), (872, 102500), (1000, 89380), (1025, 87200), (1090, 82000), (1250, 71504), (1312, 68125), (1640, 54500), (1744, 51250), (2000, 44690), (2050, 43600), (2180, 41000), (2500, 35752), (2725, 32800), (3280, 27250), (3488, 25625), (4000, 22345), (4100, 21800), (4360, 20500), (4469, 20000), (5000, 17876), (5125, 17440), (5450, 16400), (6560, 13625), (8200, 10900), (8720, 10250), (8938, 10000)]