208847687680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{821}}^1\times {\mathrm{12421}}^1$

素因数の和:13271

約数の個数: 104

約数和(自身を含む): 501824105064

約数和(自身を除く): 292976417384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 821, 1024, 1280, 1642, 2048, 2560, 3284, 4096, 4105, 5120, 6568, 8210, 10240, 12421, 13136, 16420, 20480, 24842, 26272, 32840, 49684, 52544, 62105, 65680, 99368, 105088, 124210, 131360, 198736, 210176, 248420, 262720, 397472, 420352, 496840, 525440, 794944, 840704, 993680, 1050880, 1589888, 1681408, 1987360, 2101760, 3179776, 3362816, 3974720, 4203520, 6359552, 7949440, 8407040, 10197641, 12719104, 15898880, 16814080, 20395282, 25438208, 31797760, 40790564, 50876416, 50988205, 63595520, 81581128, 101976410, 127191040, 163162256, 203952820, 254382080, 326324512, 407905640, 652649024, 815811280, 1305298048, 1631622560, 2610596096, 3263245120, 5221192192, 6526490240, 10442384384, 13052980480, 20884768768, 26105960960, 41769537536, 52211921920, 104423843840, 208847687680]

約数ペア:

[(1, 208847687680), (2, 104423843840), (4, 52211921920), (5, 41769537536), (8, 26105960960), (10, 20884768768), (16, 13052980480), (20, 10442384384), (32, 6526490240), (40, 5221192192), (64, 3263245120), (80, 2610596096), (128, 1631622560), (160, 1305298048), (256, 815811280), (320, 652649024), (512, 407905640), (640, 326324512), (821, 254382080), (1024, 203952820), (1280, 163162256), (1642, 127191040), (2048, 101976410), (2560, 81581128), (3284, 63595520), (4096, 50988205), (4105, 50876416), (5120, 40790564), (6568, 31797760), (8210, 25438208), (10240, 20395282), (12421, 16814080), (13136, 15898880), (16420, 12719104), (20480, 10197641), (24842, 8407040), (26272, 7949440), (32840, 6359552), (49684, 4203520), (52544, 3974720), (62105, 3362816), (65680, 3179776), (99368, 2101760), (105088, 1987360), (124210, 1681408), (131360, 1589888), (198736, 1050880), (210176, 993680), (248420, 840704), (262720, 794944), (397472, 525440), (420352, 496840)]