128680000

素因数分解:

$2^6\times 5^4\times {\mathrm{3217}}^1$

素因数の和:3249

約数の個数: 70

約数和(自身を含む): 319183766

約数和(自身を除く): 190503766

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 2000, 2500, 3217, 4000, 5000, 6434, 8000, 10000, 12868, 16085, 20000, 25736, 32170, 40000, 51472, 64340, 80425, 102944, 128680, 160850, 205888, 257360, 321700, 402125, 514720, 643400, 804250, 1029440, 1286800, 1608500, 2010625, 2573600, 3217000, 4021250, 5147200, 6434000, 8042500, 12868000, 16085000, 25736000, 32170000, 64340000, 128680000]

約数ペア:

[(1, 128680000), (2, 64340000), (4, 32170000), (5, 25736000), (8, 16085000), (10, 12868000), (16, 8042500), (20, 6434000), (25, 5147200), (32, 4021250), (40, 3217000), (50, 2573600), (64, 2010625), (80, 1608500), (100, 1286800), (125, 1029440), (160, 804250), (200, 643400), (250, 514720), (320, 402125), (400, 321700), (500, 257360), (625, 205888), (800, 160850), (1000, 128680), (1250, 102944), (1600, 80425), (2000, 64340), (2500, 51472), (3217, 40000), (4000, 32170), (5000, 25736), (6434, 20000), (8000, 16085), (10000, 12868)]