2808045125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 3854822400

約数和(自身を除く): 1046777275

約数列:

[1, 5, 17, 25, 43, 79, 85, 125, 215, 389, 395, 425, 731, 1075, 1343, 1945, 1975, 2125, 3397, 3655, 5375, 6613, 6715, 9725, 9875, 16727, 16985, 18275, 30731, 33065, 33575, 48625, 57749, 83635, 84925, 91375, 153655, 165325, 167875, 284359, 288745, 418175, 424625, 522427, 768275, 826625, 1321433, 1421795, 1443725, 2090875, 2612135, 3841375, 6607165, 7108975, 7218625, 13060675, 22464361, 33035825, 35544875, 65303375, 112321805, 165179125, 561609025, 2808045125]

約数ペア:

[(1, 2808045125), (5, 561609025), (17, 165179125), (25, 112321805), (43, 65303375), (79, 35544875), (85, 33035825), (125, 22464361), (215, 13060675), (389, 7218625), (395, 7108975), (425, 6607165), (731, 3841375), (1075, 2612135), (1343, 2090875), (1945, 1443725), (1975, 1421795), (2125, 1321433), (3397, 826625), (3655, 768275), (5375, 522427), (6613, 424625), (6715, 418175), (9725, 288745), (9875, 284359), (16727, 167875), (16985, 165325), (18275, 153655), (30731, 91375), (33065, 84925), (33575, 83635), (48625, 57749)]