72916040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 169691760

約数和(自身を除く): 96775720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 173, 205, 257, 328, 346, 410, 514, 692, 820, 865, 1028, 1285, 1384, 1640, 1730, 2056, 2570, 3460, 5140, 6920, 7093, 10280, 10537, 14186, 21074, 28372, 35465, 42148, 44461, 52685, 56744, 70930, 84296, 88922, 105370, 141860, 177844, 210740, 222305, 283720, 355688, 421480, 444610, 889220, 1778440, 1822901, 3645802, 7291604, 9114505, 14583208, 18229010, 36458020, 72916040]

約数ペア:

[(1, 72916040), (2, 36458020), (4, 18229010), (5, 14583208), (8, 9114505), (10, 7291604), (20, 3645802), (40, 1822901), (41, 1778440), (82, 889220), (164, 444610), (173, 421480), (205, 355688), (257, 283720), (328, 222305), (346, 210740), (410, 177844), (514, 141860), (692, 105370), (820, 88922), (865, 84296), (1028, 70930), (1285, 56744), (1384, 52685), (1640, 44461), (1730, 42148), (2056, 35465), (2570, 28372), (3460, 21074), (5140, 14186), (6920, 10537), (7093, 10280)]