8701840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 23748480

約数和(自身を除く): 15046640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 379, 410, 560, 574, 656, 758, 820, 1148, 1435, 1516, 1640, 1895, 2296, 2653, 2870, 3032, 3280, 3790, 4592, 5306, 5740, 6064, 7580, 10612, 11480, 13265, 15160, 15539, 21224, 22960, 26530, 30320, 31078, 42448, 53060, 62156, 77695, 106120, 108773, 124312, 155390, 212240, 217546, 248624, 310780, 435092, 543865, 621560, 870184, 1087730, 1243120, 1740368, 2175460, 4350920, 8701840]

約数ペア:

[(1, 8701840), (2, 4350920), (4, 2175460), (5, 1740368), (7, 1243120), (8, 1087730), (10, 870184), (14, 621560), (16, 543865), (20, 435092), (28, 310780), (35, 248624), (40, 217546), (41, 212240), (56, 155390), (70, 124312), (80, 108773), (82, 106120), (112, 77695), (140, 62156), (164, 53060), (205, 42448), (280, 31078), (287, 30320), (328, 26530), (379, 22960), (410, 21224), (560, 15539), (574, 15160), (656, 13265), (758, 11480), (820, 10612), (1148, 7580), (1435, 6064), (1516, 5740), (1640, 5306), (1895, 4592), (2296, 3790), (2653, 3280), (2870, 3032)]