77224480

素因数分解:

$2^5\times 5^1\times {\mathrm{491}}^1\times {\mathrm{983}}^1$

素因数の和:1489

約数の個数: 48

約数和(自身を含む): 183000384

約数和(自身を除く): 105775904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 491, 982, 983, 1964, 1966, 2455, 3928, 3932, 4910, 4915, 7856, 7864, 9820, 9830, 15712, 15728, 19640, 19660, 31456, 39280, 39320, 78560, 78640, 157280, 482653, 965306, 1930612, 2413265, 3861224, 4826530, 7722448, 9653060, 15444896, 19306120, 38612240, 77224480]

約数ペア:

[(1, 77224480), (2, 38612240), (4, 19306120), (5, 15444896), (8, 9653060), (10, 7722448), (16, 4826530), (20, 3861224), (32, 2413265), (40, 1930612), (80, 965306), (160, 482653), (491, 157280), (982, 78640), (983, 78560), (1964, 39320), (1966, 39280), (2455, 31456), (3928, 19660), (3932, 19640), (4910, 15728), (4915, 15712), (7856, 9830), (7864, 9820)]