80422000

素因数分解:

$2^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:611

約数の個数: 80

約数和(自身を含む): 197308800

約数和(自身を除く): 116886800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 200, 250, 316, 395, 400, 500, 509, 632, 790, 1000, 1018, 1264, 1580, 1975, 2000, 2036, 2545, 3160, 3950, 4072, 5090, 6320, 7900, 8144, 9875, 10180, 12725, 15800, 19750, 20360, 25450, 31600, 39500, 40211, 40720, 50900, 63625, 79000, 80422, 101800, 127250, 158000, 160844, 201055, 203600, 254500, 321688, 402110, 509000, 643376, 804220, 1005275, 1018000, 1608440, 2010550, 3216880, 4021100, 5026375, 8042200, 10052750, 16084400, 20105500, 40211000, 80422000]

約数ペア:

[(1, 80422000), (2, 40211000), (4, 20105500), (5, 16084400), (8, 10052750), (10, 8042200), (16, 5026375), (20, 4021100), (25, 3216880), (40, 2010550), (50, 1608440), (79, 1018000), (80, 1005275), (100, 804220), (125, 643376), (158, 509000), (200, 402110), (250, 321688), (316, 254500), (395, 203600), (400, 201055), (500, 160844), (509, 158000), (632, 127250), (790, 101800), (1000, 80422), (1018, 79000), (1264, 63625), (1580, 50900), (1975, 40720), (2000, 40211), (2036, 39500), (2545, 31600), (3160, 25450), (3950, 20360), (4072, 19750), (5090, 15800), (6320, 12725), (7900, 10180), (8144, 9875)]