20199004160

素因数分解:

$2^{11}\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2239}}^1$

素因数の和:3147

約数の個数: 96

約数和(自身を含む): 48542457600

約数和(自身を除く): 28343453440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 881, 1024, 1280, 1762, 2048, 2239, 2560, 3524, 4405, 4478, 5120, 7048, 8810, 8956, 10240, 11195, 14096, 17620, 17912, 22390, 28192, 35240, 35824, 44780, 56384, 70480, 71648, 89560, 112768, 140960, 143296, 179120, 225536, 281920, 286592, 358240, 451072, 563840, 573184, 716480, 902144, 1127680, 1146368, 1432960, 1804288, 1972559, 2255360, 2292736, 2865920, 3945118, 4510720, 4585472, 5731840, 7890236, 9021440, 9862795, 11463680, 15780472, 19725590, 22927360, 31560944, 39451180, 63121888, 78902360, 126243776, 157804720, 252487552, 315609440, 504975104, 631218880, 1009950208, 1262437760, 2019900416, 2524875520, 4039800832, 5049751040, 10099502080, 20199004160]

約数ペア:

[(1, 20199004160), (2, 10099502080), (4, 5049751040), (5, 4039800832), (8, 2524875520), (10, 2019900416), (16, 1262437760), (20, 1009950208), (32, 631218880), (40, 504975104), (64, 315609440), (80, 252487552), (128, 157804720), (160, 126243776), (256, 78902360), (320, 63121888), (512, 39451180), (640, 31560944), (881, 22927360), (1024, 19725590), (1280, 15780472), (1762, 11463680), (2048, 9862795), (2239, 9021440), (2560, 7890236), (3524, 5731840), (4405, 4585472), (4478, 4510720), (5120, 3945118), (7048, 2865920), (8810, 2292736), (8956, 2255360), (10240, 1972559), (11195, 1804288), (14096, 1432960), (17620, 1146368), (17912, 1127680), (22390, 902144), (28192, 716480), (35240, 573184), (35824, 563840), (44780, 451072), (56384, 358240), (70480, 286592), (71648, 281920), (89560, 225536), (112768, 179120), (140960, 143296)]