138432640

素因数分解:

$2^7\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1327}}^1$

素因数の和:1509

約数の個数: 64

約数和(自身を含む): 333221760

約数和(自身を除く): 194789120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 320, 326, 640, 652, 815, 1304, 1327, 1630, 2608, 2654, 3260, 5216, 5308, 6520, 6635, 10432, 10616, 13040, 13270, 20864, 21232, 26080, 26540, 42464, 52160, 53080, 84928, 104320, 106160, 169856, 212320, 216301, 424640, 432602, 849280, 865204, 1081505, 1730408, 2163010, 3460816, 4326020, 6921632, 8652040, 13843264, 17304080, 27686528, 34608160, 69216320, 138432640]

約数ペア:

[(1, 138432640), (2, 69216320), (4, 34608160), (5, 27686528), (8, 17304080), (10, 13843264), (16, 8652040), (20, 6921632), (32, 4326020), (40, 3460816), (64, 2163010), (80, 1730408), (128, 1081505), (160, 865204), (163, 849280), (320, 432602), (326, 424640), (640, 216301), (652, 212320), (815, 169856), (1304, 106160), (1327, 104320), (1630, 84928), (2608, 53080), (2654, 52160), (3260, 42464), (5216, 26540), (5308, 26080), (6520, 21232), (6635, 20864), (10432, 13270), (10616, 13040)]