200988640

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{15901}}^1$

素因数の和:15995

約数の個数: 48

約数和(自身を含む): 480876480

約数和(自身を除く): 279887840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 15901, 31802, 63604, 79505, 127208, 159010, 254416, 318020, 508832, 636040, 1256179, 1272080, 2512358, 2544160, 5024716, 6280895, 10049432, 12561790, 20098864, 25123580, 40197728, 50247160, 100494320, 200988640]

約数ペア:

[(1, 200988640), (2, 100494320), (4, 50247160), (5, 40197728), (8, 25123580), (10, 20098864), (16, 12561790), (20, 10049432), (32, 6280895), (40, 5024716), (79, 2544160), (80, 2512358), (158, 1272080), (160, 1256179), (316, 636040), (395, 508832), (632, 318020), (790, 254416), (1264, 159010), (1580, 127208), (2528, 79505), (3160, 63604), (6320, 31802), (12640, 15901)]