528025000

素因数分解:

$2^3\times 5^5\times {\mathrm{21121}}^1$

素因数の和:21152

約数の個数: 48

約数和(自身を含む): 1237537980

約数和(自身を除く): 709512980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 3125, 5000, 6250, 12500, 21121, 25000, 42242, 84484, 105605, 168968, 211210, 422420, 528025, 844840, 1056050, 2112100, 2640125, 4224200, 5280250, 10560500, 13200625, 21121000, 26401250, 52802500, 66003125, 105605000, 132006250, 264012500, 528025000]

約数ペア:

[(1, 528025000), (2, 264012500), (4, 132006250), (5, 105605000), (8, 66003125), (10, 52802500), (20, 26401250), (25, 21121000), (40, 13200625), (50, 10560500), (100, 5280250), (125, 4224200), (200, 2640125), (250, 2112100), (500, 1056050), (625, 844840), (1000, 528025), (1250, 422420), (2500, 211210), (3125, 168968), (5000, 105605), (6250, 84484), (12500, 42242), (21121, 25000)]