25675960

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{983}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 57918240

約数和(自身を除く): 32242280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 983, 1306, 1966, 2612, 3265, 3932, 4915, 5224, 6530, 7864, 9830, 13060, 19660, 26120, 39320, 641899, 1283798, 2567596, 3209495, 5135192, 6418990, 12837980, 25675960]

約数ペア:

[(1, 25675960), (2, 12837980), (4, 6418990), (5, 5135192), (8, 3209495), (10, 2567596), (20, 1283798), (40, 641899), (653, 39320), (983, 26120), (1306, 19660), (1966, 13060), (2612, 9830), (3265, 7864), (3932, 6530), (4915, 5224)]