7777881680

素因数分解:

$2^4\times 5^1\times {\mathrm{1973}}^1\times {\mathrm{49277}}^1$

素因数の和:51263

約数の個数: 40

約数和(自身を含む): 18093107592

約数和(自身を除く): 10315225912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1973, 3946, 7892, 9865, 15784, 19730, 31568, 39460, 49277, 78920, 98554, 157840, 197108, 246385, 394216, 492770, 788432, 985540, 1971080, 3942160, 97223521, 194447042, 388894084, 486117605, 777788168, 972235210, 1555576336, 1944470420, 3888940840, 7777881680]

約数ペア:

[(1, 7777881680), (2, 3888940840), (4, 1944470420), (5, 1555576336), (8, 972235210), (10, 777788168), (16, 486117605), (20, 388894084), (40, 194447042), (80, 97223521), (1973, 3942160), (3946, 1971080), (7892, 985540), (9865, 788432), (15784, 492770), (19730, 394216), (31568, 246385), (39460, 197108), (49277, 157840), (78920, 98554)]