13121000

素因数分解:

$2^3\times 5^3\times {\mathrm{13121}}^1$

素因数の和:13142

約数の個数: 32

約数和(自身を含む): 30705480

約数和(自身を除く): 17584480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 13121, 26242, 52484, 65605, 104968, 131210, 262420, 328025, 524840, 656050, 1312100, 1640125, 2624200, 3280250, 6560500, 13121000]

約数ペア:

[(1, 13121000), (2, 6560500), (4, 3280250), (5, 2624200), (8, 1640125), (10, 1312100), (20, 656050), (25, 524840), (40, 328025), (50, 262420), (100, 131210), (125, 104968), (200, 65605), (250, 52484), (500, 26242), (1000, 13121)]