10180000

素因数分解:

$2^5\times 5^4\times {\mathrm{509}}^1$

素因数の和:539

約数の個数: 60

約数和(自身を含む): 25093530

約数和(自身を除く): 14913530

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 509, 625, 800, 1000, 1018, 1250, 2000, 2036, 2500, 2545, 4000, 4072, 5000, 5090, 8144, 10000, 10180, 12725, 16288, 20000, 20360, 25450, 40720, 50900, 63625, 81440, 101800, 127250, 203600, 254500, 318125, 407200, 509000, 636250, 1018000, 1272500, 2036000, 2545000, 5090000, 10180000]

約数ペア:

[(1, 10180000), (2, 5090000), (4, 2545000), (5, 2036000), (8, 1272500), (10, 1018000), (16, 636250), (20, 509000), (25, 407200), (32, 318125), (40, 254500), (50, 203600), (80, 127250), (100, 101800), (125, 81440), (160, 63625), (200, 50900), (250, 40720), (400, 25450), (500, 20360), (509, 20000), (625, 16288), (800, 12725), (1000, 10180), (1018, 10000), (1250, 8144), (2000, 5090), (2036, 5000), (2500, 4072), (2545, 4000)]