5581240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 14837760

約数和(自身を除く): 9256520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 643, 868, 1085, 1240, 1286, 1736, 2170, 2572, 3215, 4340, 4501, 5144, 6430, 8680, 9002, 12860, 18004, 19933, 22505, 25720, 36008, 39866, 45010, 79732, 90020, 99665, 139531, 159464, 180040, 199330, 279062, 398660, 558124, 697655, 797320, 1116248, 1395310, 2790620, 5581240]

約数ペア:

[(1, 5581240), (2, 2790620), (4, 1395310), (5, 1116248), (7, 797320), (8, 697655), (10, 558124), (14, 398660), (20, 279062), (28, 199330), (31, 180040), (35, 159464), (40, 139531), (56, 99665), (62, 90020), (70, 79732), (124, 45010), (140, 39866), (155, 36008), (217, 25720), (248, 22505), (280, 19933), (310, 18004), (434, 12860), (620, 9002), (643, 8680), (868, 6430), (1085, 5144), (1240, 4501), (1286, 4340), (1736, 3215), (2170, 2572)]