164018125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:439

約数の個数: 40

約数和(自身を含む): 222678720

約数和(自身を除く): 58660595

約数列:

[1, 5, 17, 25, 43, 85, 125, 215, 359, 425, 625, 731, 1075, 1795, 2125, 3655, 5375, 6103, 8975, 10625, 15437, 18275, 26875, 30515, 44875, 77185, 91375, 152575, 224375, 262429, 385925, 456875, 762875, 1312145, 1929625, 3814375, 6560725, 9648125, 32803625, 164018125]

約数ペア:

[(1, 164018125), (5, 32803625), (17, 9648125), (25, 6560725), (43, 3814375), (85, 1929625), (125, 1312145), (215, 762875), (359, 456875), (425, 385925), (625, 262429), (731, 224375), (1075, 152575), (1795, 91375), (2125, 77185), (3655, 44875), (5375, 30515), (6103, 26875), (8975, 18275), (10625, 15437)]