82205000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 197796060

約数和(自身を除く): 115591060

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 401, 410, 500, 625, 802, 820, 1000, 1025, 1250, 1604, 1640, 2005, 2050, 2500, 3208, 4010, 4100, 5000, 5125, 8020, 8200, 10025, 10250, 16040, 16441, 20050, 20500, 25625, 32882, 40100, 41000, 50125, 51250, 65764, 80200, 82205, 100250, 102500, 131528, 164410, 200500, 205000, 250625, 328820, 401000, 411025, 501250, 657640, 822050, 1002500, 1644100, 2005000, 2055125, 3288200, 4110250, 8220500, 10275625, 16441000, 20551250, 41102500, 82205000]

約数ペア:

[(1, 82205000), (2, 41102500), (4, 20551250), (5, 16441000), (8, 10275625), (10, 8220500), (20, 4110250), (25, 3288200), (40, 2055125), (41, 2005000), (50, 1644100), (82, 1002500), (100, 822050), (125, 657640), (164, 501250), (200, 411025), (205, 401000), (250, 328820), (328, 250625), (401, 205000), (410, 200500), (500, 164410), (625, 131528), (802, 102500), (820, 100250), (1000, 82205), (1025, 80200), (1250, 65764), (1604, 51250), (1640, 50125), (2005, 41000), (2050, 40100), (2500, 32882), (3208, 25625), (4010, 20500), (4100, 20050), (5000, 16441), (5125, 16040), (8020, 10250), (8200, 10025)]