18415000

素因数分解:

$2^3\times 5^4\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 80

約数和(自身を含む): 44985600

約数和(自身を除く): 26570600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 127, 145, 200, 232, 250, 254, 290, 500, 508, 580, 625, 635, 725, 1000, 1016, 1160, 1250, 1270, 1450, 2500, 2540, 2900, 3175, 3625, 3683, 5000, 5080, 5800, 6350, 7250, 7366, 12700, 14500, 14732, 15875, 18125, 18415, 25400, 29000, 29464, 31750, 36250, 36830, 63500, 72500, 73660, 79375, 92075, 127000, 145000, 147320, 158750, 184150, 317500, 368300, 460375, 635000, 736600, 920750, 1841500, 2301875, 3683000, 4603750, 9207500, 18415000]

約数ペア:

[(1, 18415000), (2, 9207500), (4, 4603750), (5, 3683000), (8, 2301875), (10, 1841500), (20, 920750), (25, 736600), (29, 635000), (40, 460375), (50, 368300), (58, 317500), (100, 184150), (116, 158750), (125, 147320), (127, 145000), (145, 127000), (200, 92075), (232, 79375), (250, 73660), (254, 72500), (290, 63500), (500, 36830), (508, 36250), (580, 31750), (625, 29464), (635, 29000), (725, 25400), (1000, 18415), (1016, 18125), (1160, 15875), (1250, 14732), (1270, 14500), (1450, 12700), (2500, 7366), (2540, 7250), (2900, 6350), (3175, 5800), (3625, 5080), (3683, 5000)]