200021120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1$

素因数の和:890

約数の個数: 128

約数和(自身を含む): 533358000

約数和(自身を除く): 333336880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 128, 130, 145, 160, 208, 232, 260, 290, 320, 377, 416, 464, 520, 580, 640, 754, 829, 832, 928, 1040, 1160, 1508, 1658, 1664, 1856, 1885, 2080, 2320, 3016, 3316, 3712, 3770, 4145, 4160, 4640, 6032, 6632, 7540, 8290, 8320, 9280, 10777, 12064, 13264, 15080, 16580, 18560, 21554, 24041, 24128, 26528, 30160, 33160, 43108, 48082, 48256, 53056, 53885, 60320, 66320, 86216, 96164, 106112, 107770, 120205, 120640, 132640, 172432, 192328, 215540, 240410, 241280, 265280, 312533, 344864, 384656, 431080, 480820, 530560, 625066, 689728, 769312, 862160, 961640, 1250132, 1379456, 1538624, 1562665, 1724320, 1923280, 2500264, 3077248, 3125330, 3448640, 3846560, 5000528, 6250660, 6897280, 7693120, 10001056, 12501320, 15386240, 20002112, 25002640, 40004224, 50005280, 100010560, 200021120]

約数ペア:

[(1, 200021120), (2, 100010560), (4, 50005280), (5, 40004224), (8, 25002640), (10, 20002112), (13, 15386240), (16, 12501320), (20, 10001056), (26, 7693120), (29, 6897280), (32, 6250660), (40, 5000528), (52, 3846560), (58, 3448640), (64, 3125330), (65, 3077248), (80, 2500264), (104, 1923280), (116, 1724320), (128, 1562665), (130, 1538624), (145, 1379456), (160, 1250132), (208, 961640), (232, 862160), (260, 769312), (290, 689728), (320, 625066), (377, 530560), (416, 480820), (464, 431080), (520, 384656), (580, 344864), (640, 312533), (754, 265280), (829, 241280), (832, 240410), (928, 215540), (1040, 192328), (1160, 172432), (1508, 132640), (1658, 120640), (1664, 120205), (1856, 107770), (1885, 106112), (2080, 96164), (2320, 86216), (3016, 66320), (3316, 60320), (3712, 53885), (3770, 53056), (4145, 48256), (4160, 48082), (4640, 43108), (6032, 33160), (6632, 30160), (7540, 26528), (8290, 24128), (8320, 24041), (9280, 21554), (10777, 18560), (12064, 16580), (13264, 15080)]