98180000

素因数分解:

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

素因数の和:4939

約数の個数: 60

約数和(自身を含む): 241586730

約数和(自身を除く): 143406730

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 4909, 5000, 9818, 10000, 19636, 20000, 24545, 39272, 49090, 78544, 98180, 122725, 157088, 196360, 245450, 392720, 490900, 613625, 785440, 981800, 1227250, 1963600, 2454500, 3068125, 3927200, 4909000, 6136250, 9818000, 12272500, 19636000, 24545000, 49090000, 98180000]

約数ペア:

[(1, 98180000), (2, 49090000), (4, 24545000), (5, 19636000), (8, 12272500), (10, 9818000), (16, 6136250), (20, 4909000), (25, 3927200), (32, 3068125), (40, 2454500), (50, 1963600), (80, 1227250), (100, 981800), (125, 785440), (160, 613625), (200, 490900), (250, 392720), (400, 245450), (500, 196360), (625, 157088), (800, 122725), (1000, 98180), (1250, 78544), (2000, 49090), (2500, 39272), (4000, 24545), (4909, 20000), (5000, 19636), (9818, 10000)]