5280250000

素因数分解:

$2^4\times 5^6\times {\mathrm{21121}}^1$

素因数の和:21159

約数の個数: 70

約数和(自身を含む): 12788547242

約数和(自身を除く): 7508297242

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 3125, 5000, 6250, 10000, 12500, 15625, 21121, 25000, 31250, 42242, 50000, 62500, 84484, 105605, 125000, 168968, 211210, 250000, 337936, 422420, 528025, 844840, 1056050, 1689680, 2112100, 2640125, 4224200, 5280250, 8448400, 10560500, 13200625, 21121000, 26401250, 42242000, 52802500, 66003125, 105605000, 132006250, 211210000, 264012500, 330015625, 528025000, 660031250, 1056050000, 1320062500, 2640125000, 5280250000]

約数ペア:

[(1, 5280250000), (2, 2640125000), (4, 1320062500), (5, 1056050000), (8, 660031250), (10, 528025000), (16, 330015625), (20, 264012500), (25, 211210000), (40, 132006250), (50, 105605000), (80, 66003125), (100, 52802500), (125, 42242000), (200, 26401250), (250, 21121000), (400, 13200625), (500, 10560500), (625, 8448400), (1000, 5280250), (1250, 4224200), (2000, 2640125), (2500, 2112100), (3125, 1689680), (5000, 1056050), (6250, 844840), (10000, 528025), (12500, 422420), (15625, 337936), (21121, 250000), (25000, 211210), (31250, 168968), (42242, 125000), (50000, 105605), (62500, 84484)]