2017547500

素因数分解:

$2^2\times 5^4\times {\mathrm{641}}^1\times {\mathrm{1259}}^1$

素因数の和:1924

約数の個数: 60

約数和(自身を含む): 4422365640

約数和(自身を除く): 2404818140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 641, 1250, 1259, 1282, 2500, 2518, 2564, 3205, 5036, 6295, 6410, 12590, 12820, 16025, 25180, 31475, 32050, 62950, 64100, 80125, 125900, 157375, 160250, 314750, 320500, 400625, 629500, 786875, 801250, 807019, 1573750, 1602500, 1614038, 3147500, 3228076, 4035095, 8070190, 16140380, 20175475, 40350950, 80701900, 100877375, 201754750, 403509500, 504386875, 1008773750, 2017547500]

約数ペア:

[(1, 2017547500), (2, 1008773750), (4, 504386875), (5, 403509500), (10, 201754750), (20, 100877375), (25, 80701900), (50, 40350950), (100, 20175475), (125, 16140380), (250, 8070190), (500, 4035095), (625, 3228076), (641, 3147500), (1250, 1614038), (1259, 1602500), (1282, 1573750), (2500, 807019), (2518, 801250), (2564, 786875), (3205, 629500), (5036, 400625), (6295, 320500), (6410, 314750), (12590, 160250), (12820, 157375), (16025, 125900), (25180, 80125), (31475, 64100), (32050, 62950)]