38431875

素因数分解:

$3^1\times 5^4\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 40

約数和(自身を含む): 64979200

約数和(自身を除く): 26547325

約数列:

[1, 3, 5, 15, 25, 75, 103, 125, 199, 309, 375, 515, 597, 625, 995, 1545, 1875, 2575, 2985, 4975, 7725, 12875, 14925, 20497, 24875, 38625, 61491, 64375, 74625, 102485, 124375, 193125, 307455, 373125, 512425, 1537275, 2562125, 7686375, 12810625, 38431875]

約数ペア:

[(1, 38431875), (3, 12810625), (5, 7686375), (15, 2562125), (25, 1537275), (75, 512425), (103, 373125), (125, 307455), (199, 193125), (309, 124375), (375, 102485), (515, 74625), (597, 64375), (625, 61491), (995, 38625), (1545, 24875), (1875, 20497), (2575, 14925), (2985, 12875), (4975, 7725)]