3445000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:92

約数の個数: 80

約数和(自身を含む): 8856540

約数和(自身を除く): 5411540

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 53, 65, 100, 104, 106, 125, 130, 200, 212, 250, 260, 265, 325, 424, 500, 520, 530, 625, 650, 689, 1000, 1060, 1250, 1300, 1325, 1378, 1625, 2120, 2500, 2600, 2650, 2756, 3250, 3445, 5000, 5300, 5512, 6500, 6625, 6890, 8125, 10600, 13000, 13250, 13780, 16250, 17225, 26500, 27560, 32500, 33125, 34450, 53000, 65000, 66250, 68900, 86125, 132500, 137800, 172250, 265000, 344500, 430625, 689000, 861250, 1722500, 3445000]

約数ペア:

[(1, 3445000), (2, 1722500), (4, 861250), (5, 689000), (8, 430625), (10, 344500), (13, 265000), (20, 172250), (25, 137800), (26, 132500), (40, 86125), (50, 68900), (52, 66250), (53, 65000), (65, 53000), (100, 34450), (104, 33125), (106, 32500), (125, 27560), (130, 26500), (200, 17225), (212, 16250), (250, 13780), (260, 13250), (265, 13000), (325, 10600), (424, 8125), (500, 6890), (520, 6625), (530, 6500), (625, 5512), (650, 5300), (689, 5000), (1000, 3445), (1060, 3250), (1250, 2756), (1300, 2650), (1325, 2600), (1378, 2500), (1625, 2120)]