213801565000

素因数分解:

$2^3\times 5^4\times {\mathrm{3343}}^1\times {\mathrm{12791}}^1$

素因数の和:16160

約数の個数: 80

約数和(自身を含む): 501126088320

約数和(自身を除く): 287324523320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 3343, 5000, 6686, 12791, 13372, 16715, 25582, 26744, 33430, 51164, 63955, 66860, 83575, 102328, 127910, 133720, 167150, 255820, 319775, 334300, 417875, 511640, 639550, 668600, 835750, 1279100, 1598875, 1671500, 2089375, 2558200, 3197750, 3343000, 4178750, 6395500, 7994375, 8357500, 12791000, 15988750, 16715000, 31977500, 42760313, 63955000, 85520626, 171041252, 213801565, 342082504, 427603130, 855206260, 1069007825, 1710412520, 2138015650, 4276031300, 5345039125, 8552062600, 10690078250, 21380156500, 26725195625, 42760313000, 53450391250, 106900782500, 213801565000]

約数ペア:

[(1, 213801565000), (2, 106900782500), (4, 53450391250), (5, 42760313000), (8, 26725195625), (10, 21380156500), (20, 10690078250), (25, 8552062600), (40, 5345039125), (50, 4276031300), (100, 2138015650), (125, 1710412520), (200, 1069007825), (250, 855206260), (500, 427603130), (625, 342082504), (1000, 213801565), (1250, 171041252), (2500, 85520626), (3343, 63955000), (5000, 42760313), (6686, 31977500), (12791, 16715000), (13372, 15988750), (16715, 12791000), (25582, 8357500), (26744, 7994375), (33430, 6395500), (51164, 4178750), (63955, 3343000), (66860, 3197750), (83575, 2558200), (102328, 2089375), (127910, 1671500), (133720, 1598875), (167150, 1279100), (255820, 835750), (319775, 668600), (334300, 639550), (417875, 511640)]