12841780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3163}}^1$

素因数の和:3208

約数の個数: 48

約数和(自身を含む): 31893120

約数和(自身を除く): 19051340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 3163, 4060, 6326, 12652, 15815, 22141, 31630, 44282, 63260, 88564, 91727, 110705, 183454, 221410, 366908, 442820, 458635, 642089, 917270, 1284178, 1834540, 2568356, 3210445, 6420890, 12841780]

約数ペア:

[(1, 12841780), (2, 6420890), (4, 3210445), (5, 2568356), (7, 1834540), (10, 1284178), (14, 917270), (20, 642089), (28, 458635), (29, 442820), (35, 366908), (58, 221410), (70, 183454), (116, 110705), (140, 91727), (145, 88564), (203, 63260), (290, 44282), (406, 31630), (580, 22141), (812, 15815), (1015, 12652), (2030, 6326), (3163, 4060)]