64091750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 128494080

約数和(自身を除く): 64402330

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 103, 125, 131, 190, 206, 250, 262, 475, 515, 655, 950, 1030, 1310, 1957, 2375, 2489, 2575, 3275, 3914, 4750, 4978, 5150, 6550, 9785, 12445, 12875, 13493, 16375, 19570, 24890, 25750, 26986, 32750, 48925, 62225, 67465, 97850, 124450, 134930, 244625, 256367, 311125, 337325, 489250, 512734, 622250, 674650, 1281835, 1686625, 2563670, 3373250, 6409175, 12818350, 32045875, 64091750]

約数ペア:

[(1, 64091750), (2, 32045875), (5, 12818350), (10, 6409175), (19, 3373250), (25, 2563670), (38, 1686625), (50, 1281835), (95, 674650), (103, 622250), (125, 512734), (131, 489250), (190, 337325), (206, 311125), (250, 256367), (262, 244625), (475, 134930), (515, 124450), (655, 97850), (950, 67465), (1030, 62225), (1310, 48925), (1957, 32750), (2375, 26986), (2489, 25750), (2575, 24890), (3275, 19570), (3914, 16375), (4750, 13493), (4978, 12875), (5150, 12445), (6550, 9785)]