25000250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{9091}}^1$

素因数の和:9119

約数の個数: 32

約数和(自身を含む): 51060672

約数和(自身を除く): 26060422

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 9091, 18182, 45455, 90910, 100001, 200002, 227275, 454550, 500005, 1000010, 1136375, 2272750, 2500025, 5000050, 12500125, 25000250]

約数ペア:

[(1, 25000250), (2, 12500125), (5, 5000050), (10, 2500025), (11, 2272750), (22, 1136375), (25, 1000010), (50, 500005), (55, 454550), (110, 227275), (125, 200002), (250, 100001), (275, 90910), (550, 45455), (1375, 18182), (2750, 9091)]