29925080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 70217280

約数和(自身を除く): 40292200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 257, 284, 328, 355, 410, 514, 568, 710, 820, 1028, 1285, 1420, 1640, 2056, 2570, 2840, 2911, 5140, 5822, 10280, 10537, 11644, 14555, 18247, 21074, 23288, 29110, 36494, 42148, 52685, 58220, 72988, 84296, 91235, 105370, 116440, 145976, 182470, 210740, 364940, 421480, 729880, 748127, 1496254, 2992508, 3740635, 5985016, 7481270, 14962540, 29925080]

約数ペア:

[(1, 29925080), (2, 14962540), (4, 7481270), (5, 5985016), (8, 3740635), (10, 2992508), (20, 1496254), (40, 748127), (41, 729880), (71, 421480), (82, 364940), (142, 210740), (164, 182470), (205, 145976), (257, 116440), (284, 105370), (328, 91235), (355, 84296), (410, 72988), (514, 58220), (568, 52685), (710, 42148), (820, 36494), (1028, 29110), (1285, 23288), (1420, 21074), (1640, 18247), (2056, 14555), (2570, 11644), (2840, 10537), (2911, 10280), (5140, 5822)]