8261375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 11119680

約数和(自身を除く): 2858305

約数列:

[1, 5, 25, 29, 43, 53, 125, 145, 215, 265, 725, 1075, 1247, 1325, 1537, 2279, 3625, 5375, 6235, 6625, 7685, 11395, 31175, 38425, 56975, 66091, 155875, 192125, 284875, 330455, 1652275, 8261375]

約数ペア:

[(1, 8261375), (5, 1652275), (25, 330455), (29, 284875), (43, 192125), (53, 155875), (125, 66091), (145, 56975), (215, 38425), (265, 31175), (725, 11395), (1075, 7685), (1247, 6625), (1325, 6235), (1537, 5375), (2279, 3625)]