2018666000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{77641}}^1$

素因数の和:77677

約数の個数: 80

約数和(自身を含む): 5256673968

約数和(自身を除く): 3238007968

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, 650, 1000, 1040, 1300, 1625, 2000, 2600, 3250, 5200, 6500, 13000, 26000, 77641, 155282, 310564, 388205, 621128, 776410, 1009333, 1242256, 1552820, 1941025, 2018666, 3105640, 3882050, 4037332, 5046665, 6211280, 7764100, 8074664, 9705125, 10093330, 15528200, 16149328, 19410250, 20186660, 25233325, 31056400, 38820500, 40373320, 50466650, 77641000, 80746640, 100933300, 126166625, 155282000, 201866600, 252333250, 403733200, 504666500, 1009333000, 2018666000]

約数ペア:

[(1, 2018666000), (2, 1009333000), (4, 504666500), (5, 403733200), (8, 252333250), (10, 201866600), (13, 155282000), (16, 126166625), (20, 100933300), (25, 80746640), (26, 77641000), (40, 50466650), (50, 40373320), (52, 38820500), (65, 31056400), (80, 25233325), (100, 20186660), (104, 19410250), (125, 16149328), (130, 15528200), (200, 10093330), (208, 9705125), (250, 8074664), (260, 7764100), (325, 6211280), (400, 5046665), (500, 4037332), (520, 3882050), (650, 3105640), (1000, 2018666), (1040, 1941025), (1300, 1552820), (1625, 1242256), (2000, 1009333), (2600, 776410), (3250, 621128), (5200, 388205), (6500, 310564), (13000, 155282), (26000, 77641)]