39680620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 101154816

約数和(自身を除く): 61474196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 41, 62, 70, 82, 124, 140, 155, 164, 205, 217, 223, 287, 310, 410, 434, 446, 574, 620, 820, 868, 892, 1085, 1115, 1148, 1271, 1435, 1561, 2170, 2230, 2542, 2870, 3122, 4340, 4460, 5084, 5740, 6244, 6355, 6913, 7805, 8897, 9143, 12710, 13826, 15610, 17794, 18286, 25420, 27652, 31220, 34565, 35588, 36572, 44485, 45715, 48391, 64001, 69130, 88970, 91430, 96782, 128002, 138260, 177940, 182860, 193564, 241955, 256004, 283433, 320005, 483910, 566866, 640010, 967820, 1133732, 1280020, 1417165, 1984031, 2834330, 3968062, 5668660, 7936124, 9920155, 19840310, 39680620]

約数ペア:

[(1, 39680620), (2, 19840310), (4, 9920155), (5, 7936124), (7, 5668660), (10, 3968062), (14, 2834330), (20, 1984031), (28, 1417165), (31, 1280020), (35, 1133732), (41, 967820), (62, 640010), (70, 566866), (82, 483910), (124, 320005), (140, 283433), (155, 256004), (164, 241955), (205, 193564), (217, 182860), (223, 177940), (287, 138260), (310, 128002), (410, 96782), (434, 91430), (446, 88970), (574, 69130), (620, 64001), (820, 48391), (868, 45715), (892, 44485), (1085, 36572), (1115, 35588), (1148, 34565), (1271, 31220), (1435, 27652), (1561, 25420), (2170, 18286), (2230, 17794), (2542, 15610), (2870, 13826), (3122, 12710), (4340, 9143), (4460, 8897), (5084, 7805), (5740, 6913), (6244, 6355)]