12542278720

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{440389}}^1$

素因数の和:440495

約数の個数: 56

約数和(自身を含む): 30201946200

約数和(自身を除く): 17659667480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5696, 7120, 14240, 28480, 440389, 880778, 1761556, 2201945, 3523112, 4403890, 7046224, 8807780, 14092448, 17615560, 28184896, 35231120, 39194621, 70462240, 78389242, 140924480, 156778484, 195973105, 313556968, 391946210, 627113936, 783892420, 1254227872, 1567784840, 2508455744, 3135569680, 6271139360, 12542278720]

約数ペア:

[(1, 12542278720), (2, 6271139360), (4, 3135569680), (5, 2508455744), (8, 1567784840), (10, 1254227872), (16, 783892420), (20, 627113936), (32, 391946210), (40, 313556968), (64, 195973105), (80, 156778484), (89, 140924480), (160, 78389242), (178, 70462240), (320, 39194621), (356, 35231120), (445, 28184896), (712, 17615560), (890, 14092448), (1424, 8807780), (1780, 7046224), (2848, 4403890), (3560, 3523112), (5696, 2201945), (7120, 1761556), (14240, 880778), (28480, 440389)]