1286158000

素因数分解:

$2^4\times 5^3\times {\mathrm{131}}^1\times {\mathrm{4909}}^1$

素因数の和:5063

約数の個数: 80

約数和(自身を含む): 3134308320

約数和(自身を除く): 1848150320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 131, 200, 250, 262, 400, 500, 524, 655, 1000, 1048, 1310, 2000, 2096, 2620, 3275, 4909, 5240, 6550, 9818, 10480, 13100, 16375, 19636, 24545, 26200, 32750, 39272, 49090, 52400, 65500, 78544, 98180, 122725, 131000, 196360, 245450, 262000, 392720, 490900, 613625, 643079, 981800, 1227250, 1286158, 1963600, 2454500, 2572316, 3215395, 4909000, 5144632, 6430790, 9818000, 10289264, 12861580, 16076975, 25723160, 32153950, 51446320, 64307900, 80384875, 128615800, 160769750, 257231600, 321539500, 643079000, 1286158000]

約数ペア:

[(1, 1286158000), (2, 643079000), (4, 321539500), (5, 257231600), (8, 160769750), (10, 128615800), (16, 80384875), (20, 64307900), (25, 51446320), (40, 32153950), (50, 25723160), (80, 16076975), (100, 12861580), (125, 10289264), (131, 9818000), (200, 6430790), (250, 5144632), (262, 4909000), (400, 3215395), (500, 2572316), (524, 2454500), (655, 1963600), (1000, 1286158), (1048, 1227250), (1310, 981800), (2000, 643079), (2096, 613625), (2620, 490900), (3275, 392720), (4909, 262000), (5240, 245450), (6550, 196360), (9818, 131000), (10480, 122725), (13100, 98180), (16375, 78544), (19636, 65500), (24545, 52400), (26200, 49090), (32750, 39272)]