155605000

素因数分解:

$2^3\times 5^4\times {\mathrm{31121}}^1$

素因数の和:31147

約数の個数: 40

約数和(自身を含む): 364594230

約数和(自身を除く): 208989230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 31121, 62242, 124484, 155605, 248968, 311210, 622420, 778025, 1244840, 1556050, 3112100, 3890125, 6224200, 7780250, 15560500, 19450625, 31121000, 38901250, 77802500, 155605000]

約数ペア:

[(1, 155605000), (2, 77802500), (4, 38901250), (5, 31121000), (8, 19450625), (10, 15560500), (20, 7780250), (25, 6224200), (40, 3890125), (50, 3112100), (100, 1556050), (125, 1244840), (200, 778025), (250, 622420), (500, 311210), (625, 248968), (1000, 155605), (1250, 124484), (2500, 62242), (5000, 31121)]