11953960

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 28440720

約数和(自身を除く): 16486760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 197, 205, 296, 328, 370, 394, 410, 740, 788, 820, 985, 1480, 1517, 1576, 1640, 1970, 3034, 3940, 6068, 7289, 7585, 7880, 8077, 12136, 14578, 15170, 16154, 29156, 30340, 32308, 36445, 40385, 58312, 60680, 64616, 72890, 80770, 145780, 161540, 291560, 298849, 323080, 597698, 1195396, 1494245, 2390792, 2988490, 5976980, 11953960]

約数ペア:

[(1, 11953960), (2, 5976980), (4, 2988490), (5, 2390792), (8, 1494245), (10, 1195396), (20, 597698), (37, 323080), (40, 298849), (41, 291560), (74, 161540), (82, 145780), (148, 80770), (164, 72890), (185, 64616), (197, 60680), (205, 58312), (296, 40385), (328, 36445), (370, 32308), (394, 30340), (410, 29156), (740, 16154), (788, 15170), (820, 14578), (985, 12136), (1480, 8077), (1517, 7880), (1576, 7585), (1640, 7289), (1970, 6068), (3034, 3940)]