39188240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:809

約数の個数: 120

約数和(自身を含む): 114289560

約数和(自身を除く): 75101320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 769, 784, 910, 980, 1040, 1274, 1456, 1538, 1820, 1960, 2548, 3076, 3185, 3640, 3845, 3920, 5096, 5383, 6152, 6370, 7280, 7690, 9997, 10192, 10766, 12304, 12740, 15380, 19994, 21532, 25480, 26915, 30760, 37681, 39988, 43064, 49985, 50960, 53830, 61520, 69979, 75362, 79976, 86128, 99970, 107660, 139958, 150724, 159952, 188405, 199940, 215320, 279916, 301448, 349895, 376810, 399880, 430640, 489853, 559832, 602896, 699790, 753620, 799760, 979706, 1119664, 1399580, 1507240, 1959412, 2449265, 2799160, 3014480, 3918824, 4898530, 5598320, 7837648, 9797060, 19594120, 39188240]

約数ペア:

[(1, 39188240), (2, 19594120), (4, 9797060), (5, 7837648), (7, 5598320), (8, 4898530), (10, 3918824), (13, 3014480), (14, 2799160), (16, 2449265), (20, 1959412), (26, 1507240), (28, 1399580), (35, 1119664), (40, 979706), (49, 799760), (52, 753620), (56, 699790), (65, 602896), (70, 559832), (80, 489853), (91, 430640), (98, 399880), (104, 376810), (112, 349895), (130, 301448), (140, 279916), (182, 215320), (196, 199940), (208, 188405), (245, 159952), (260, 150724), (280, 139958), (364, 107660), (392, 99970), (455, 86128), (490, 79976), (520, 75362), (560, 69979), (637, 61520), (728, 53830), (769, 50960), (784, 49985), (910, 43064), (980, 39988), (1040, 37681), (1274, 30760), (1456, 26915), (1538, 25480), (1820, 21532), (1960, 19994), (2548, 15380), (3076, 12740), (3185, 12304), (3640, 10766), (3845, 10192), (3920, 9997), (5096, 7690), (5383, 7280), (6152, 6370)]